Home / 1,127,008.97-1,690,617.68-407,530.25

Finding the Fourth Proportional to 1,127,008.97, 1,690,617.68 and 407,530.25

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Solution

The fourth proportional to 1,127,008.97, 1,690,617.68 and 407,530.25 is: 611,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,008.97 : 1,690,617.68 = 407,530.25 : x
  2. Step 2: Convert to fraction form
    1,127,008.97/1,690,617.68 = 407,530.25/x
  3. Step 3: Cross multiply
    1,127,008.97x = 1,690,617.68 × 407,530.25
  4. Step 4: Simplify right side
    1,127,008.97x = 688,977,843,747.17
  5. Step 5: Solve for x
    x = 688,977,843,747.17/1,127,008.97
  6. Step 6: Final answer
    x = 611,333.06

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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.