Home / 1,378,854.77-2,068,282.76-432,299.30

Finding the Fourth Proportional to 1,378,854.77, 2,068,282.76 and 432,299.30

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Solution

The fourth proportional to 1,378,854.77, 2,068,282.76 and 432,299.30 is: 648,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,854.77 : 2,068,282.76 = 432,299.30 : x
  2. Step 2: Convert to fraction form
    1,378,854.77/2,068,282.76 = 432,299.30/x
  3. Step 3: Cross multiply
    1,378,854.77x = 2,068,282.76 × 432,299.30
  4. Step 4: Simplify right side
    1,378,854.77x = 894,117,176,847.16
  5. Step 5: Solve for x
    x = 894,117,176,847.16/1,378,854.77
  6. Step 6: Final answer
    x = 648,449.13

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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.