Home / 1,257,972.39-1,736,074.94-947,318.83

Finding the Fourth Proportional to 1,257,972.39, 1,736,074.94 and 947,318.83

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Solution

The fourth proportional to 1,257,972.39, 1,736,074.94 and 947,318.83 is: 1,307,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,972.39 : 1,736,074.94 = 947,318.83 : x
  2. Step 2: Convert to fraction form
    1,257,972.39/1,736,074.94 = 947,318.83/x
  3. Step 3: Cross multiply
    1,257,972.39x = 1,736,074.94 × 947,318.83
  4. Step 4: Simplify right side
    1,257,972.39x = 1,644,616,471,876.34
  5. Step 5: Solve for x
    x = 1,644,616,471,876.34/1,257,972.39
  6. Step 6: Final answer
    x = 1,307,354.98

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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.