Home / 1,543,281.60-2,314,144.80-912,388.80

Finding the Fourth Proportional to 1,543,281.60, 2,314,144.80 and 912,388.80

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Solution

The fourth proportional to 1,543,281.60, 2,314,144.80 and 912,388.80 is: 1,368,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,281.60 : 2,314,144.80 = 912,388.80 : x
  2. Step 2: Convert to fraction form
    1,543,281.60/2,314,144.80 = 912,388.80/x
  3. Step 3: Cross multiply
    1,543,281.60x = 2,314,144.80 × 912,388.80
  4. Step 4: Simplify right side
    1,543,281.60x = 2,111,399,797,098.24
  5. Step 5: Solve for x
    x = 2,111,399,797,098.24/1,543,281.60
  6. Step 6: Final answer
    x = 1,368,123.48

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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.