Home / 1,339,312.32-2,009,249.28-392,605.92

Finding the Fourth Proportional to 1,339,312.32, 2,009,249.28 and 392,605.92

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Solution

The fourth proportional to 1,339,312.32, 2,009,249.28 and 392,605.92 is: 588,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,312.32 : 2,009,249.28 = 392,605.92 : x
  2. Step 2: Convert to fraction form
    1,339,312.32/2,009,249.28 = 392,605.92/x
  3. Step 3: Cross multiply
    1,339,312.32x = 2,009,249.28 × 392,605.92
  4. Step 4: Simplify right side
    1,339,312.32x = 788,843,162,083.74
  5. Step 5: Solve for x
    x = 788,843,162,083.74/1,339,312.32
  6. Step 6: Final answer
    x = 588,991.19

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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.