Home / 1,253,377.86-1,729,478.97-716,730.18

Finding the Fourth Proportional to 1,253,377.86, 1,729,478.97 and 716,730.18

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Solution

The fourth proportional to 1,253,377.86, 1,729,478.97 and 716,730.18 is: 988,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,377.86 : 1,729,478.97 = 716,730.18 : x
  2. Step 2: Convert to fraction form
    1,253,377.86/1,729,478.97 = 716,730.18/x
  3. Step 3: Cross multiply
    1,253,377.86x = 1,729,478.97 × 716,730.18
  4. Step 4: Simplify right side
    1,253,377.86x = 1,239,569,773,474.31
  5. Step 5: Solve for x
    x = 1,239,569,773,474.31/1,253,377.86
  6. Step 6: Final answer
    x = 988,983.30

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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.