Home / 1,342,278.72-1,852,344.94-738,666.72

Finding the Fourth Proportional to 1,342,278.72, 1,852,344.94 and 738,666.72

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Solution

The fourth proportional to 1,342,278.72, 1,852,344.94 and 738,666.72 is: 1,019,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,278.72 : 1,852,344.94 = 738,666.72 : x
  2. Step 2: Convert to fraction form
    1,342,278.72/1,852,344.94 = 738,666.72/x
  3. Step 3: Cross multiply
    1,342,278.72x = 1,852,344.94 × 738,666.72
  4. Step 4: Simplify right side
    1,342,278.72x = 1,368,265,561,138.40
  5. Step 5: Solve for x
    x = 1,368,265,561,138.40/1,342,278.72
  6. Step 6: Final answer
    x = 1,019,360.24

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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.