Home / 1,318,844.10-1,974,329.55-786,090.90

Finding the Fourth Proportional to 1,318,844.10, 1,974,329.55 and 786,090.90

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Solution

The fourth proportional to 1,318,844.10, 1,974,329.55 and 786,090.90 is: 1,176,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,844.10 : 1,974,329.55 = 786,090.90 : x
  2. Step 2: Convert to fraction form
    1,318,844.10/1,974,329.55 = 786,090.90/x
  3. Step 3: Cross multiply
    1,318,844.10x = 1,974,329.55 × 786,090.90
  4. Step 4: Simplify right side
    1,318,844.10x = 1,552,002,492,856.10
  5. Step 5: Solve for x
    x = 1,552,002,492,856.10/1,318,844.10
  6. Step 6: Final answer
    x = 1,176,789.96

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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.