Home / 1,151,834.40-1,727,233.20-520,423.20

Finding the Fourth Proportional to 1,151,834.40, 1,727,233.20 and 520,423.20

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Solution

The fourth proportional to 1,151,834.40, 1,727,233.20 and 520,423.20 is: 780,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,834.40 : 1,727,233.20 = 520,423.20 : x
  2. Step 2: Convert to fraction form
    1,151,834.40/1,727,233.20 = 520,423.20/x
  3. Step 3: Cross multiply
    1,151,834.40x = 1,727,233.20 × 520,423.20
  4. Step 4: Simplify right side
    1,151,834.40x = 898,892,229,090.24
  5. Step 5: Solve for x
    x = 898,892,229,090.24/1,151,834.40
  6. Step 6: Final answer
    x = 780,400.58

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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.