Home / 1,043,998.70-1,565,998.05-739,568.30

Finding the Fourth Proportional to 1,043,998.70, 1,565,998.05 and 739,568.30

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Solution

The fourth proportional to 1,043,998.70, 1,565,998.05 and 739,568.30 is: 1,109,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,998.70 : 1,565,998.05 = 739,568.30 : x
  2. Step 2: Convert to fraction form
    1,043,998.70/1,565,998.05 = 739,568.30/x
  3. Step 3: Cross multiply
    1,043,998.70x = 1,565,998.05 × 739,568.30
  4. Step 4: Simplify right side
    1,043,998.70x = 1,158,162,515,641.82
  5. Step 5: Solve for x
    x = 1,158,162,515,641.82/1,043,998.70
  6. Step 6: Final answer
    x = 1,109,352.45

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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.