Home / 909,472.44-1,255,160.72-679,630.65

Finding the Fourth Proportional to 909,472.44, 1,255,160.72 and 679,630.65

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Solution

The fourth proportional to 909,472.44, 1,255,160.72 and 679,630.65 is: 937,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,472.44 : 1,255,160.72 = 679,630.65 : x
  2. Step 2: Convert to fraction form
    909,472.44/1,255,160.72 = 679,630.65/x
  3. Step 3: Cross multiply
    909,472.44x = 1,255,160.72 × 679,630.65
  4. Step 4: Simplify right side
    909,472.44x = 853,045,697,687.15
  5. Step 5: Solve for x
    x = 853,045,697,687.15/909,472.44
  6. Step 6: Final answer
    x = 937,956.62

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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.