Home / 1,433,712.60-2,150,666.10-487,154.70

Finding the Fourth Proportional to 1,433,712.60, 2,150,666.10 and 487,154.70

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Solution

The fourth proportional to 1,433,712.60, 2,150,666.10 and 487,154.70 is: 730,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,712.60 : 2,150,666.10 = 487,154.70 : x
  2. Step 2: Convert to fraction form
    1,433,712.60/2,150,666.10 = 487,154.70/x
  3. Step 3: Cross multiply
    1,433,712.60x = 2,150,666.10 × 487,154.70
  4. Step 4: Simplify right side
    1,433,712.60x = 1,047,707,098,745.67
  5. Step 5: Solve for x
    x = 1,047,707,098,745.67/1,433,712.60
  6. Step 6: Final answer
    x = 730,765.08

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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.