Home / 1,382,458.60-2,073,687.90-1,235,492.20

Finding the Fourth Proportional to 1,382,458.60, 2,073,687.90 and 1,235,492.20

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Solution

The fourth proportional to 1,382,458.60, 2,073,687.90 and 1,235,492.20 is: 1,853,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,458.60 : 2,073,687.90 = 1,235,492.20 : x
  2. Step 2: Convert to fraction form
    1,382,458.60/2,073,687.90 = 1,235,492.20/x
  3. Step 3: Cross multiply
    1,382,458.60x = 2,073,687.90 × 1,235,492.20
  4. Step 4: Simplify right side
    1,382,458.60x = 2,562,025,225,684.38
  5. Step 5: Solve for x
    x = 2,562,025,225,684.38/1,382,458.60
  6. Step 6: Final answer
    x = 1,853,238.30

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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.