Home / 1,432,593.79-1,976,937.76-788,013.83

Finding the Fourth Proportional to 1,432,593.79, 1,976,937.76 and 788,013.83

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Solution

The fourth proportional to 1,432,593.79, 1,976,937.76 and 788,013.83 is: 1,087,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,593.79 : 1,976,937.76 = 788,013.83 : x
  2. Step 2: Convert to fraction form
    1,432,593.79/1,976,937.76 = 788,013.83/x
  3. Step 3: Cross multiply
    1,432,593.79x = 1,976,937.76 × 788,013.83
  4. Step 4: Simplify right side
    1,432,593.79x = 1,557,854,295,929.22
  5. Step 5: Solve for x
    x = 1,557,854,295,929.22/1,432,593.79
  6. Step 6: Final answer
    x = 1,087,436.16

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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.