Home / 1,867,913.60-2,801,872.40-520,079.12

Finding the Fourth Proportional to 1,867,913.60, 2,801,872.40 and 520,079.12

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Solution

The fourth proportional to 1,867,913.60, 2,801,872.40 and 520,079.12 is: 780,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,913.60 : 2,801,872.40 = 520,079.12 : x
  2. Step 2: Convert to fraction form
    1,867,913.60/2,801,872.40 = 520,079.12/x
  3. Step 3: Cross multiply
    1,867,913.60x = 2,801,872.40 × 520,079.12
  4. Step 4: Simplify right side
    1,867,913.60x = 1,457,195,332,144.29
  5. Step 5: Solve for x
    x = 1,457,195,332,144.29/1,867,913.60
  6. Step 6: Final answer
    x = 780,119.24

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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.