Home / 1,338,437.86-2,005,221.02-1,194,948.79

Finding the Fourth Proportional to 1,338,437.86, 2,005,221.02 and 1,194,948.79

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Solution

The fourth proportional to 1,338,437.86, 2,005,221.02 and 1,194,948.79 is: 1,790,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,437.86 : 2,005,221.02 = 1,194,948.79 : x
  2. Step 2: Convert to fraction form
    1,338,437.86/2,005,221.02 = 1,194,948.79/x
  3. Step 3: Cross multiply
    1,338,437.86x = 2,005,221.02 × 1,194,948.79
  4. Step 4: Simplify right side
    1,338,437.86x = 2,396,136,420,543.77
  5. Step 5: Solve for x
    x = 2,396,136,420,543.77/1,338,437.86
  6. Step 6: Final answer
    x = 1,790,248.54

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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.