Home / 1,318,914.29-1,977,337.89-520,793.24

Finding the Fourth Proportional to 1,318,914.29, 1,977,337.89 and 520,793.24

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Solution

The fourth proportional to 1,318,914.29, 1,977,337.89 and 520,793.24 is: 780,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,914.29 : 1,977,337.89 = 520,793.24 : x
  2. Step 2: Convert to fraction form
    1,318,914.29/1,977,337.89 = 520,793.24/x
  3. Step 3: Cross multiply
    1,318,914.29x = 1,977,337.89 × 520,793.24
  4. Step 4: Simplify right side
    1,318,914.29x = 1,029,784,196,421.17
  5. Step 5: Solve for x
    x = 1,029,784,196,421.17/1,318,914.29
  6. Step 6: Final answer
    x = 780,781.74

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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.