Home / 1,265,829.10-1,746,892.20-722,053.42

Finding the Fourth Proportional to 1,265,829.10, 1,746,892.20 and 722,053.42

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Solution

The fourth proportional to 1,265,829.10, 1,746,892.20 and 722,053.42 is: 996,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,829.10 : 1,746,892.20 = 722,053.42 : x
  2. Step 2: Convert to fraction form
    1,265,829.10/1,746,892.20 = 722,053.42/x
  3. Step 3: Cross multiply
    1,265,829.10x = 1,746,892.20 × 722,053.42
  4. Step 4: Simplify right side
    1,265,829.10x = 1,261,349,487,381.32
  5. Step 5: Solve for x
    x = 1,261,349,487,381.32/1,265,829.10
  6. Step 6: Final answer
    x = 996,461.12

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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.