Home / 1,128,259.38-1,691,502.98-772,193.91

Finding the Fourth Proportional to 1,128,259.38, 1,691,502.98 and 772,193.91

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Solution

The fourth proportional to 1,128,259.38, 1,691,502.98 and 772,193.91 is: 1,157,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,259.38 : 1,691,502.98 = 772,193.91 : x
  2. Step 2: Convert to fraction form
    1,128,259.38/1,691,502.98 = 772,193.91/x
  3. Step 3: Cross multiply
    1,128,259.38x = 1,691,502.98 × 772,193.91
  4. Step 4: Simplify right side
    1,128,259.38x = 1,306,168,296,041.88
  5. Step 5: Solve for x
    x = 1,306,168,296,041.88/1,128,259.38
  6. Step 6: Final answer
    x = 1,157,684.41

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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.