Home / 1,174,166.40-1,761,249.60-426,115.20

Finding the Fourth Proportional to 1,174,166.40, 1,761,249.60 and 426,115.20

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Solution

The fourth proportional to 1,174,166.40, 1,761,249.60 and 426,115.20 is: 639,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,166.40 : 1,761,249.60 = 426,115.20 : x
  2. Step 2: Convert to fraction form
    1,174,166.40/1,761,249.60 = 426,115.20/x
  3. Step 3: Cross multiply
    1,174,166.40x = 1,761,249.60 × 426,115.20
  4. Step 4: Simplify right side
    1,174,166.40x = 750,495,225,553.92
  5. Step 5: Solve for x
    x = 750,495,225,553.92/1,174,166.40
  6. Step 6: Final answer
    x = 639,172.80

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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.