Home / 1,815,861.60-2,723,792.40-553,687.20

Finding the Fourth Proportional to 1,815,861.60, 2,723,792.40 and 553,687.20

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Solution

The fourth proportional to 1,815,861.60, 2,723,792.40 and 553,687.20 is: 830,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,861.60 : 2,723,792.40 = 553,687.20 : x
  2. Step 2: Convert to fraction form
    1,815,861.60/2,723,792.40 = 553,687.20/x
  3. Step 3: Cross multiply
    1,815,861.60x = 2,723,792.40 × 553,687.20
  4. Step 4: Simplify right side
    1,815,861.60x = 1,508,128,987,337.28
  5. Step 5: Solve for x
    x = 1,508,128,987,337.28/1,815,861.60
  6. Step 6: Final answer
    x = 830,530.80

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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.