Home / 1,158,360.07-1,597,589.10-815,331.55

Finding the Fourth Proportional to 1,158,360.07, 1,597,589.10 and 815,331.55

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Solution

The fourth proportional to 1,158,360.07, 1,597,589.10 and 815,331.55 is: 1,124,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,360.07 : 1,597,589.10 = 815,331.55 : x
  2. Step 2: Convert to fraction form
    1,158,360.07/1,597,589.10 = 815,331.55/x
  3. Step 3: Cross multiply
    1,158,360.07x = 1,597,589.10 × 815,331.55
  4. Step 4: Simplify right side
    1,158,360.07x = 1,302,564,797,166.11
  5. Step 5: Solve for x
    x = 1,302,564,797,166.11/1,158,360.07
  6. Step 6: Final answer
    x = 1,124,490.42

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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.