Home / 1,438,482.57-2,158,008.11-527,673.50

Finding the Fourth Proportional to 1,438,482.57, 2,158,008.11 and 527,673.50

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Solution

The fourth proportional to 1,438,482.57, 2,158,008.11 and 527,673.50 is: 791,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,482.57 : 2,158,008.11 = 527,673.50 : x
  2. Step 2: Convert to fraction form
    1,438,482.57/2,158,008.11 = 527,673.50/x
  3. Step 3: Cross multiply
    1,438,482.57x = 2,158,008.11 × 527,673.50
  4. Step 4: Simplify right side
    1,438,482.57x = 1,138,723,692,432.09
  5. Step 5: Solve for x
    x = 1,138,723,692,432.09/1,438,482.57
  6. Step 6: Final answer
    x = 791,614.52

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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.