Home / 1,157,561.92-1,597,989.90-771,020.56

Finding the Fourth Proportional to 1,157,561.92, 1,597,989.90 and 771,020.56

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Solution

The fourth proportional to 1,157,561.92, 1,597,989.90 and 771,020.56 is: 1,064,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,561.92 : 1,597,989.90 = 771,020.56 : x
  2. Step 2: Convert to fraction form
    1,157,561.92/1,597,989.90 = 771,020.56/x
  3. Step 3: Cross multiply
    1,157,561.92x = 1,597,989.90 × 771,020.56
  4. Step 4: Simplify right side
    1,157,561.92x = 1,232,083,067,572.34
  5. Step 5: Solve for x
    x = 1,232,083,067,572.34/1,157,561.92
  6. Step 6: Final answer
    x = 1,064,377.68

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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.