Home / 1,261,175.92-1,740,459.53-688,253.00

Finding the Fourth Proportional to 1,261,175.92, 1,740,459.53 and 688,253.00

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Solution

The fourth proportional to 1,261,175.92, 1,740,459.53 and 688,253.00 is: 949,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,175.92 : 1,740,459.53 = 688,253.00 : x
  2. Step 2: Convert to fraction form
    1,261,175.92/1,740,459.53 = 688,253.00/x
  3. Step 3: Cross multiply
    1,261,175.92x = 1,740,459.53 × 688,253.00
  4. Step 4: Simplify right side
    1,261,175.92x = 1,197,876,480,757.53
  5. Step 5: Solve for x
    x = 1,197,876,480,757.53/1,261,175.92
  6. Step 6: Final answer
    x = 949,809.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.