Home / 1,537,817-2,121,761.30-884,407.40

Finding the Fourth Proportional to 1,537,817, 2,121,761.30 and 884,407.40

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Solution

The fourth proportional to 1,537,817, 2,121,761.30 and 884,407.40 is: 1,220,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,817 : 2,121,761.30 = 884,407.40 : x
  2. Step 2: Convert to fraction form
    1,537,817/2,121,761.30 = 884,407.40/x
  3. Step 3: Cross multiply
    1,537,817x = 2,121,761.30 × 884,407.40
  4. Step 4: Simplify right side
    1,537,817x = 1,876,501,394,753.62
  5. Step 5: Solve for x
    x = 1,876,501,394,753.62/1,537,817
  6. Step 6: Final answer
    x = 1,220,237.12

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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.