Home / 1,158,377.31-1,597,612.59-815,348.70

Finding the Fourth Proportional to 1,158,377.31, 1,597,612.59 and 815,348.70

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Solution

The fourth proportional to 1,158,377.31, 1,597,612.59 and 815,348.70 is: 1,124,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,377.31 : 1,597,612.59 = 815,348.70 : x
  2. Step 2: Convert to fraction form
    1,158,377.31/1,597,612.59 = 815,348.70/x
  3. Step 3: Cross multiply
    1,158,377.31x = 1,597,612.59 × 815,348.70
  4. Step 4: Simplify right side
    1,158,377.31x = 1,302,611,348,360.13
  5. Step 5: Solve for x
    x = 1,302,611,348,360.13/1,158,377.31
  6. Step 6: Final answer
    x = 1,124,513.87

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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.