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Finding the Fourth Proportional to 1,295,932.91, 1,942,323.44 and 916,962.89

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Solution

The fourth proportional to 1,295,932.91, 1,942,323.44 and 916,962.89 is: 1,374,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,932.91 : 1,942,323.44 = 916,962.89 : x
  2. Step 2: Convert to fraction form
    1,295,932.91/1,942,323.44 = 916,962.89/x
  3. Step 3: Cross multiply
    1,295,932.91x = 1,942,323.44 × 916,962.89
  4. Step 4: Simplify right side
    1,295,932.91x = 1,781,038,500,560.71
  5. Step 5: Solve for x
    x = 1,781,038,500,560.71/1,295,932.91
  6. Step 6: Final answer
    x = 1,374,329.25

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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.