Home / 1,406,002.76-2,109,363.78-408,730.76

Finding the Fourth Proportional to 1,406,002.76, 2,109,363.78 and 408,730.76

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Solution

The fourth proportional to 1,406,002.76, 2,109,363.78 and 408,730.76 is: 613,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,002.76 : 2,109,363.78 = 408,730.76 : x
  2. Step 2: Convert to fraction form
    1,406,002.76/2,109,363.78 = 408,730.76/x
  3. Step 3: Cross multiply
    1,406,002.76x = 2,109,363.78 × 408,730.76
  4. Step 4: Simplify right side
    1,406,002.76x = 862,161,860,915.87
  5. Step 5: Solve for x
    x = 862,161,860,915.87/1,406,002.76
  6. Step 6: Final answer
    x = 613,200.69

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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.