Home / 1,350,441.66-1,863,642.15-738,651.90

Finding the Fourth Proportional to 1,350,441.66, 1,863,642.15 and 738,651.90

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Solution

The fourth proportional to 1,350,441.66, 1,863,642.15 and 738,651.90 is: 1,019,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,441.66 : 1,863,642.15 = 738,651.90 : x
  2. Step 2: Convert to fraction form
    1,350,441.66/1,863,642.15 = 738,651.90/x
  3. Step 3: Cross multiply
    1,350,441.66x = 1,863,642.15 × 738,651.90
  4. Step 4: Simplify right side
    1,350,441.66x = 1,376,582,815,017.59
  5. Step 5: Solve for x
    x = 1,376,582,815,017.59/1,350,441.66
  6. Step 6: Final answer
    x = 1,019,357.49

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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.