Home / 1,342,938.30-1,853,249.67-739,326.30

Finding the Fourth Proportional to 1,342,938.30, 1,853,249.67 and 739,326.30

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Solution

The fourth proportional to 1,342,938.30, 1,853,249.67 and 739,326.30 is: 1,020,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,938.30 : 1,853,249.67 = 739,326.30 : x
  2. Step 2: Convert to fraction form
    1,342,938.30/1,853,249.67 = 739,326.30/x
  3. Step 3: Cross multiply
    1,342,938.30x = 1,853,249.67 × 739,326.30
  4. Step 4: Simplify right side
    1,342,938.30x = 1,370,156,221,497.32
  5. Step 5: Solve for x
    x = 1,370,156,221,497.32/1,342,938.30
  6. Step 6: Final answer
    x = 1,020,267.44

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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.