Home / 1,029,248.80-1,543,876.72-728,820.56

Finding the Fourth Proportional to 1,029,248.80, 1,543,876.72 and 728,820.56

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Solution

The fourth proportional to 1,029,248.80, 1,543,876.72 and 728,820.56 is: 1,093,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,248.80 : 1,543,876.72 = 728,820.56 : x
  2. Step 2: Convert to fraction form
    1,029,248.80/1,543,876.72 = 728,820.56/x
  3. Step 3: Cross multiply
    1,029,248.80x = 1,543,876.72 × 728,820.56
  4. Step 4: Simplify right side
    1,029,248.80x = 1,125,209,095,641.36
  5. Step 5: Solve for x
    x = 1,125,209,095,641.36/1,029,248.80
  6. Step 6: Final answer
    x = 1,093,233.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.