Home / 827,951.70-1,241,927.55-709,853.70

Finding the Fourth Proportional to 827,951.70, 1,241,927.55 and 709,853.70

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Solution

The fourth proportional to 827,951.70, 1,241,927.55 and 709,853.70 is: 1,064,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,951.70 : 1,241,927.55 = 709,853.70 : x
  2. Step 2: Convert to fraction form
    827,951.70/1,241,927.55 = 709,853.70/x
  3. Step 3: Cross multiply
    827,951.70x = 1,241,927.55 × 709,853.70
  4. Step 4: Simplify right side
    827,951.70x = 881,586,866,499.44
  5. Step 5: Solve for x
    x = 881,586,866,499.44/827,951.70
  6. Step 6: Final answer
    x = 1,064,780.55

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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.