Home / 1,177,342.90-1,625,309.15-790,019.73

Finding the Fourth Proportional to 1,177,342.90, 1,625,309.15 and 790,019.73

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Solution

The fourth proportional to 1,177,342.90, 1,625,309.15 and 790,019.73 is: 1,090,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,342.90 : 1,625,309.15 = 790,019.73 : x
  2. Step 2: Convert to fraction form
    1,177,342.90/1,625,309.15 = 790,019.73/x
  3. Step 3: Cross multiply
    1,177,342.90x = 1,625,309.15 × 790,019.73
  4. Step 4: Simplify right side
    1,177,342.90x = 1,284,026,291,899.43
  5. Step 5: Solve for x
    x = 1,284,026,291,899.43/1,177,342.90
  6. Step 6: Final answer
    x = 1,090,613.70

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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.