Home / 990,213.08-1,482,761.56-683,411.76

Finding the Fourth Proportional to 990,213.08, 1,482,761.56 and 683,411.76

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Solution

The fourth proportional to 990,213.08, 1,482,761.56 and 683,411.76 is: 1,023,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,213.08 : 1,482,761.56 = 683,411.76 : x
  2. Step 2: Convert to fraction form
    990,213.08/1,482,761.56 = 683,411.76/x
  3. Step 3: Cross multiply
    990,213.08x = 1,482,761.56 × 683,411.76
  4. Step 4: Simplify right side
    990,213.08x = 1,013,336,687,379.95
  5. Step 5: Solve for x
    x = 1,013,336,687,379.95/990,213.08
  6. Step 6: Final answer
    x = 1,023,352.15

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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.