Home / 1,641,024.01-2,264,909.56-978,778.32

Finding the Fourth Proportional to 1,641,024.01, 2,264,909.56 and 978,778.32

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Solution

The fourth proportional to 1,641,024.01, 2,264,909.56 and 978,778.32 is: 1,350,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,024.01 : 2,264,909.56 = 978,778.32 : x
  2. Step 2: Convert to fraction form
    1,641,024.01/2,264,909.56 = 978,778.32/x
  3. Step 3: Cross multiply
    1,641,024.01x = 2,264,909.56 × 978,778.32
  4. Step 4: Simplify right side
    1,641,024.01x = 2,216,844,374,079.93
  5. Step 5: Solve for x
    x = 2,216,844,374,079.93/1,641,024.01
  6. Step 6: Final answer
    x = 1,350,890.89

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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.