Home / 1,158,387.81-1,597,627.29-815,359.29

Finding the Fourth Proportional to 1,158,387.81, 1,597,627.29 and 815,359.29

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Solution

The fourth proportional to 1,158,387.81, 1,597,627.29 and 815,359.29 is: 1,124,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,387.81 : 1,597,627.29 = 815,359.29 : x
  2. Step 2: Convert to fraction form
    1,158,387.81/1,597,627.29 = 815,359.29/x
  3. Step 3: Cross multiply
    1,158,387.81x = 1,597,627.29 × 815,359.29
  4. Step 4: Simplify right side
    1,158,387.81x = 1,302,640,252,859.02
  5. Step 5: Solve for x
    x = 1,302,640,252,859.02/1,158,387.81
  6. Step 6: Final answer
    x = 1,124,528.63

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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.