Home / 1,188,008.10-1,782,449.55-478,545.30

Finding the Fourth Proportional to 1,188,008.10, 1,782,449.55 and 478,545.30

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Solution

The fourth proportional to 1,188,008.10, 1,782,449.55 and 478,545.30 is: 717,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,008.10 : 1,782,449.55 = 478,545.30 : x
  2. Step 2: Convert to fraction form
    1,188,008.10/1,782,449.55 = 478,545.30/x
  3. Step 3: Cross multiply
    1,188,008.10x = 1,782,449.55 × 478,545.30
  4. Step 4: Simplify right side
    1,188,008.10x = 852,982,854,639.62
  5. Step 5: Solve for x
    x = 852,982,854,639.62/1,188,008.10
  6. Step 6: Final answer
    x = 717,994.14

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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.