Home / 1,142,923.77-1,714,422-423,445.66

Finding the Fourth Proportional to 1,142,923.77, 1,714,422 and 423,445.66

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Solution

The fourth proportional to 1,142,923.77, 1,714,422 and 423,445.66 is: 635,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,923.77 : 1,714,422 = 423,445.66 : x
  2. Step 2: Convert to fraction form
    1,142,923.77/1,714,422 = 423,445.66/x
  3. Step 3: Cross multiply
    1,142,923.77x = 1,714,422 × 423,445.66
  4. Step 4: Simplify right side
    1,142,923.77x = 725,964,555,308.52
  5. Step 5: Solve for x
    x = 725,964,555,308.52/1,142,923.77
  6. Step 6: Final answer
    x = 635,181.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.