Home / 1,174,465.40-1,761,698.10-426,414.20

Finding the Fourth Proportional to 1,174,465.40, 1,761,698.10 and 426,414.20

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Solution

The fourth proportional to 1,174,465.40, 1,761,698.10 and 426,414.20 is: 639,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,465.40 : 1,761,698.10 = 426,414.20 : x
  2. Step 2: Convert to fraction form
    1,174,465.40/1,761,698.10 = 426,414.20/x
  3. Step 3: Cross multiply
    1,174,465.40x = 1,761,698.10 × 426,414.20
  4. Step 4: Simplify right side
    1,174,465.40x = 751,213,085,953.02
  5. Step 5: Solve for x
    x = 751,213,085,953.02/1,174,465.40
  6. Step 6: Final answer
    x = 639,621.30

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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.