Home / 1,330,773.90-1,996,160.85-976,479.90

Finding the Fourth Proportional to 1,330,773.90, 1,996,160.85 and 976,479.90

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Solution

The fourth proportional to 1,330,773.90, 1,996,160.85 and 976,479.90 is: 1,464,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,773.90 : 1,996,160.85 = 976,479.90 : x
  2. Step 2: Convert to fraction form
    1,330,773.90/1,996,160.85 = 976,479.90/x
  3. Step 3: Cross multiply
    1,330,773.90x = 1,996,160.85 × 976,479.90
  4. Step 4: Simplify right side
    1,330,773.90x = 1,949,210,947,191.92
  5. Step 5: Solve for x
    x = 1,949,210,947,191.92/1,330,773.90
  6. Step 6: Final answer
    x = 1,464,719.85

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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.