Home / 1,177,343.90-1,625,310.53-790,020.73

Finding the Fourth Proportional to 1,177,343.90, 1,625,310.53 and 790,020.73

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Solution

The fourth proportional to 1,177,343.90, 1,625,310.53 and 790,020.73 is: 1,090,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,343.90 : 1,625,310.53 = 790,020.73 : x
  2. Step 2: Convert to fraction form
    1,177,343.90/1,625,310.53 = 790,020.73/x
  3. Step 3: Cross multiply
    1,177,343.90x = 1,625,310.53 × 790,020.73
  4. Step 4: Simplify right side
    1,177,343.90x = 1,284,029,011,387.29
  5. Step 5: Solve for x
    x = 1,284,029,011,387.29/1,177,343.90
  6. Step 6: Final answer
    x = 1,090,615.08

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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.