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Finding the Fourth Proportional to 1,555,791, 2,333,686.50 and 373,839

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Solution

The fourth proportional to 1,555,791, 2,333,686.50 and 373,839 is: 560,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,791 : 2,333,686.50 = 373,839 : x
  2. Step 2: Convert to fraction form
    1,555,791/2,333,686.50 = 373,839/x
  3. Step 3: Cross multiply
    1,555,791x = 2,333,686.50 × 373,839
  4. Step 4: Simplify right side
    1,555,791x = 872,423,027,473.50
  5. Step 5: Solve for x
    x = 872,423,027,473.50/1,555,791
  6. Step 6: Final answer
    x = 560,758.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.