Home / 1,005,412.50-1,387,469.25-552,703.50

Finding the Fourth Proportional to 1,005,412.50, 1,387,469.25 and 552,703.50

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Solution

The fourth proportional to 1,005,412.50, 1,387,469.25 and 552,703.50 is: 762,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,412.50 : 1,387,469.25 = 552,703.50 : x
  2. Step 2: Convert to fraction form
    1,005,412.50/1,387,469.25 = 552,703.50/x
  3. Step 3: Cross multiply
    1,005,412.50x = 1,387,469.25 × 552,703.50
  4. Step 4: Simplify right side
    1,005,412.50x = 766,859,110,617.38
  5. Step 5: Solve for x
    x = 766,859,110,617.38/1,005,412.50
  6. Step 6: Final answer
    x = 762,730.83

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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.