Home / 1,680,096.20-2,318,528.48-916,149.78

Finding the Fourth Proportional to 1,680,096.20, 2,318,528.48 and 916,149.78

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Solution

The fourth proportional to 1,680,096.20, 2,318,528.48 and 916,149.78 is: 1,264,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,096.20 : 2,318,528.48 = 916,149.78 : x
  2. Step 2: Convert to fraction form
    1,680,096.20/2,318,528.48 = 916,149.78/x
  3. Step 3: Cross multiply
    1,680,096.20x = 2,318,528.48 × 916,149.78
  4. Step 4: Simplify right side
    1,680,096.20x = 2,124,119,352,294.99
  5. Step 5: Solve for x
    x = 2,124,119,352,294.99/1,680,096.20
  6. Step 6: Final answer
    x = 1,264,284.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.