Home / 1,174,401.60-1,761,602.40-426,350.40

Finding the Fourth Proportional to 1,174,401.60, 1,761,602.40 and 426,350.40

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Solution

The fourth proportional to 1,174,401.60, 1,761,602.40 and 426,350.40 is: 639,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,401.60 : 1,761,602.40 = 426,350.40 : x
  2. Step 2: Convert to fraction form
    1,174,401.60/1,761,602.40 = 426,350.40/x
  3. Step 3: Cross multiply
    1,174,401.60x = 1,761,602.40 × 426,350.40
  4. Step 4: Simplify right side
    1,174,401.60x = 751,059,887,880.96
  5. Step 5: Solve for x
    x = 751,059,887,880.96/1,174,401.60
  6. Step 6: Final answer
    x = 639,525.60

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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.