Home / 1,350,442.66-1,863,643.53-738,652.90

Finding the Fourth Proportional to 1,350,442.66, 1,863,643.53 and 738,652.90

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Solution

The fourth proportional to 1,350,442.66, 1,863,643.53 and 738,652.90 is: 1,019,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,442.66 : 1,863,643.53 = 738,652.90 : x
  2. Step 2: Convert to fraction form
    1,350,442.66/1,863,643.53 = 738,652.90/x
  3. Step 3: Cross multiply
    1,350,442.66x = 1,863,643.53 × 738,652.90
  4. Step 4: Simplify right side
    1,350,442.66x = 1,376,585,698,000.74
  5. Step 5: Solve for x
    x = 1,376,585,698,000.74/1,350,442.66
  6. Step 6: Final answer
    x = 1,019,358.87

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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.