Home / 1,318,833.08-1,820,087.52-738,114.56

Finding the Fourth Proportional to 1,318,833.08, 1,820,087.52 and 738,114.56

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Solution

The fourth proportional to 1,318,833.08, 1,820,087.52 and 738,114.56 is: 1,018,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,833.08 : 1,820,087.52 = 738,114.56 : x
  2. Step 2: Convert to fraction form
    1,318,833.08/1,820,087.52 = 738,114.56/x
  3. Step 3: Cross multiply
    1,318,833.08x = 1,820,087.52 × 738,114.56
  4. Step 4: Simplify right side
    1,318,833.08x = 1,343,433,098,986.29
  5. Step 5: Solve for x
    x = 1,343,433,098,986.29/1,318,833.08
  6. Step 6: Final answer
    x = 1,018,652.87

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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.