Home / 1,532,868.50-2,115,257.30-920,657.48

Finding the Fourth Proportional to 1,532,868.50, 2,115,257.30 and 920,657.48

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Solution

The fourth proportional to 1,532,868.50, 2,115,257.30 and 920,657.48 is: 1,270,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,868.50 : 2,115,257.30 = 920,657.48 : x
  2. Step 2: Convert to fraction form
    1,532,868.50/2,115,257.30 = 920,657.48/x
  3. Step 3: Cross multiply
    1,532,868.50x = 2,115,257.30 × 920,657.48
  4. Step 4: Simplify right side
    1,532,868.50x = 1,947,427,455,369.60
  5. Step 5: Solve for x
    x = 1,947,427,455,369.60/1,532,868.50
  6. Step 6: Final answer
    x = 1,270,446.52

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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.