Home / 966,921.30-1,448,999.55-712,214.10

Finding the Fourth Proportional to 966,921.30, 1,448,999.55 and 712,214.10

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Solution

The fourth proportional to 966,921.30, 1,448,999.55 and 712,214.10 is: 1,067,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,921.30 : 1,448,999.55 = 712,214.10 : x
  2. Step 2: Convert to fraction form
    966,921.30/1,448,999.55 = 712,214.10/x
  3. Step 3: Cross multiply
    966,921.30x = 1,448,999.55 × 712,214.10
  4. Step 4: Simplify right side
    966,921.30x = 1,031,997,910,403.66
  5. Step 5: Solve for x
    x = 1,031,997,910,403.66/966,921.30
  6. Step 6: Final answer
    x = 1,067,302.90

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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.