Home / 1,382,291.16-2,073,434.92-642,788.55

Finding the Fourth Proportional to 1,382,291.16, 2,073,434.92 and 642,788.55

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Solution

The fourth proportional to 1,382,291.16, 2,073,434.92 and 642,788.55 is: 964,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,291.16 : 2,073,434.92 = 642,788.55 : x
  2. Step 2: Convert to fraction form
    1,382,291.16/2,073,434.92 = 642,788.55/x
  3. Step 3: Cross multiply
    1,382,291.16x = 2,073,434.92 × 642,788.55
  4. Step 4: Simplify right side
    1,382,291.16x = 1,332,780,225,746.17
  5. Step 5: Solve for x
    x = 1,332,780,225,746.17/1,382,291.16
  6. Step 6: Final answer
    x = 964,181.98

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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.