Home / 1,488,776.02-2,233,385.46-690,138.29

Finding the Fourth Proportional to 1,488,776.02, 2,233,385.46 and 690,138.29

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Solution

The fourth proportional to 1,488,776.02, 2,233,385.46 and 690,138.29 is: 1,035,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,776.02 : 2,233,385.46 = 690,138.29 : x
  2. Step 2: Convert to fraction form
    1,488,776.02/2,233,385.46 = 690,138.29/x
  3. Step 3: Cross multiply
    1,488,776.02x = 2,233,385.46 × 690,138.29
  4. Step 4: Simplify right side
    1,488,776.02x = 1,541,344,827,858.73
  5. Step 5: Solve for x
    x = 1,541,344,827,858.73/1,488,776.02
  6. Step 6: Final answer
    x = 1,035,310.09

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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.