Home / 1,251,374.13-1,726,984.80-707,515.20

Finding the Fourth Proportional to 1,251,374.13, 1,726,984.80 and 707,515.20

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Solution

The fourth proportional to 1,251,374.13, 1,726,984.80 and 707,515.20 is: 976,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,374.13 : 1,726,984.80 = 707,515.20 : x
  2. Step 2: Convert to fraction form
    1,251,374.13/1,726,984.80 = 707,515.20/x
  3. Step 3: Cross multiply
    1,251,374.13x = 1,726,984.80 × 707,515.20
  4. Step 4: Simplify right side
    1,251,374.13x = 1,221,867,996,168.96
  5. Step 5: Solve for x
    x = 1,221,867,996,168.96/1,251,374.13
  6. Step 6: Final answer
    x = 976,421.01

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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.