Home / 1,472,712.66-2,205,526.05-839,707.38

Finding the Fourth Proportional to 1,472,712.66, 2,205,526.05 and 839,707.38

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Solution

The fourth proportional to 1,472,712.66, 2,205,526.05 and 839,707.38 is: 1,257,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,712.66 : 2,205,526.05 = 839,707.38 : x
  2. Step 2: Convert to fraction form
    1,472,712.66/2,205,526.05 = 839,707.38/x
  3. Step 3: Cross multiply
    1,472,712.66x = 2,205,526.05 × 839,707.38
  4. Step 4: Simplify right side
    1,472,712.66x = 1,851,996,500,967.25
  5. Step 5: Solve for x
    x = 1,851,996,500,967.25/1,472,712.66
  6. Step 6: Final answer
    x = 1,257,540.97

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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.