Home / 867,965.80-1,301,948.70-727,997.80

Finding the Fourth Proportional to 867,965.80, 1,301,948.70 and 727,997.80

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Solution

The fourth proportional to 867,965.80, 1,301,948.70 and 727,997.80 is: 1,091,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,965.80 : 1,301,948.70 = 727,997.80 : x
  2. Step 2: Convert to fraction form
    867,965.80/1,301,948.70 = 727,997.80/x
  3. Step 3: Cross multiply
    867,965.80x = 1,301,948.70 × 727,997.80
  4. Step 4: Simplify right side
    867,965.80x = 947,815,789,312.86
  5. Step 5: Solve for x
    x = 947,815,789,312.86/867,965.80
  6. Step 6: Final answer
    x = 1,091,996.70

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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.