Home / 1,543,286.60-2,314,152.30-912,393.80

Finding the Fourth Proportional to 1,543,286.60, 2,314,152.30 and 912,393.80

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Solution

The fourth proportional to 1,543,286.60, 2,314,152.30 and 912,393.80 is: 1,368,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,286.60 : 2,314,152.30 = 912,393.80 : x
  2. Step 2: Convert to fraction form
    1,543,286.60/2,314,152.30 = 912,393.80/x
  3. Step 3: Cross multiply
    1,543,286.60x = 2,314,152.30 × 912,393.80
  4. Step 4: Simplify right side
    1,543,286.60x = 2,111,418,210,775.74
  5. Step 5: Solve for x
    x = 2,111,418,210,775.74/1,543,286.60
  6. Step 6: Final answer
    x = 1,368,130.98

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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.