Home / 1,071,876.72-1,606,678.44-502,777.20

Finding the Fourth Proportional to 1,071,876.72, 1,606,678.44 and 502,777.20

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Solution

The fourth proportional to 1,071,876.72, 1,606,678.44 and 502,777.20 is: 753,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,876.72 : 1,606,678.44 = 502,777.20 : x
  2. Step 2: Convert to fraction form
    1,071,876.72/1,606,678.44 = 502,777.20/x
  3. Step 3: Cross multiply
    1,071,876.72x = 1,606,678.44 × 502,777.20
  4. Step 4: Simplify right side
    1,071,876.72x = 807,801,287,363.57
  5. Step 5: Solve for x
    x = 807,801,287,363.57/1,071,876.72
  6. Step 6: Final answer
    x = 753,632.64

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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.