Home / 1,001,013.15-1,501,519.73-990,515.55

Finding the Fourth Proportional to 1,001,013.15, 1,501,519.73 and 990,515.55

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Solution

The fourth proportional to 1,001,013.15, 1,501,519.73 and 990,515.55 is: 1,485,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,013.15 : 1,501,519.73 = 990,515.55 : x
  2. Step 2: Convert to fraction form
    1,001,013.15/1,501,519.73 = 990,515.55/x
  3. Step 3: Cross multiply
    1,001,013.15x = 1,501,519.73 × 990,515.55
  4. Step 4: Simplify right side
    1,001,013.15x = 1,487,278,641,196.80
  5. Step 5: Solve for x
    x = 1,487,278,641,196.80/1,001,013.15
  6. Step 6: Final answer
    x = 1,485,773.33

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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.