Home / 1,265,119.74-1,897,468.20-554,957.10

Finding the Fourth Proportional to 1,265,119.74, 1,897,468.20 and 554,957.10

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Solution

The fourth proportional to 1,265,119.74, 1,897,468.20 and 554,957.10 is: 832,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,119.74 : 1,897,468.20 = 554,957.10 : x
  2. Step 2: Convert to fraction form
    1,265,119.74/1,897,468.20 = 554,957.10/x
  3. Step 3: Cross multiply
    1,265,119.74x = 1,897,468.20 × 554,957.10
  4. Step 4: Simplify right side
    1,265,119.74x = 1,053,013,449,614.22
  5. Step 5: Solve for x
    x = 1,053,013,449,614.22/1,265,119.74
  6. Step 6: Final answer
    x = 832,342.91

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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.