Home / 1,543,285.60-2,314,150.80-912,392.80

Finding the Fourth Proportional to 1,543,285.60, 2,314,150.80 and 912,392.80

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Solution

The fourth proportional to 1,543,285.60, 2,314,150.80 and 912,392.80 is: 1,368,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,285.60 : 2,314,150.80 = 912,392.80 : x
  2. Step 2: Convert to fraction form
    1,543,285.60/2,314,150.80 = 912,392.80/x
  3. Step 3: Cross multiply
    1,543,285.60x = 2,314,150.80 × 912,392.80
  4. Step 4: Simplify right side
    1,543,285.60x = 2,111,414,528,034.24
  5. Step 5: Solve for x
    x = 2,111,414,528,034.24/1,543,285.60
  6. Step 6: Final answer
    x = 1,368,129.48

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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.