Home / 1,044,135.10-1,566,202.65-643,476.70

Finding the Fourth Proportional to 1,044,135.10, 1,566,202.65 and 643,476.70

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Solution

The fourth proportional to 1,044,135.10, 1,566,202.65 and 643,476.70 is: 965,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,135.10 : 1,566,202.65 = 643,476.70 : x
  2. Step 2: Convert to fraction form
    1,044,135.10/1,566,202.65 = 643,476.70/x
  3. Step 3: Cross multiply
    1,044,135.10x = 1,566,202.65 × 643,476.70
  4. Step 4: Simplify right side
    1,044,135.10x = 1,007,814,912,753.25
  5. Step 5: Solve for x
    x = 1,007,814,912,753.25/1,044,135.10
  6. Step 6: Final answer
    x = 965,215.05

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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.