Home / 1,691,223.75-2,536,565.52-492,865.74

Finding the Fourth Proportional to 1,691,223.75, 2,536,565.52 and 492,865.74

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Solution

The fourth proportional to 1,691,223.75, 2,536,565.52 and 492,865.74 is: 739,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,223.75 : 2,536,565.52 = 492,865.74 : x
  2. Step 2: Convert to fraction form
    1,691,223.75/2,536,565.52 = 492,865.74/x
  3. Step 3: Cross multiply
    1,691,223.75x = 2,536,565.52 × 492,865.74
  4. Step 4: Simplify right side
    1,691,223.75x = 1,250,186,242,073.28
  5. Step 5: Solve for x
    x = 1,250,186,242,073.28/1,691,223.75
  6. Step 6: Final answer
    x = 739,219.89

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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.