Home / 1,318,320.35-1,977,480.53-608,138.27

Finding the Fourth Proportional to 1,318,320.35, 1,977,480.53 and 608,138.27

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Solution

The fourth proportional to 1,318,320.35, 1,977,480.53 and 608,138.27 is: 912,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,320.35 : 1,977,480.53 = 608,138.27 : x
  2. Step 2: Convert to fraction form
    1,318,320.35/1,977,480.53 = 608,138.27/x
  3. Step 3: Cross multiply
    1,318,320.35x = 1,977,480.53 × 608,138.27
  4. Step 4: Simplify right side
    1,318,320.35x = 1,202,581,588,472.88
  5. Step 5: Solve for x
    x = 1,202,581,588,472.88/1,318,320.35
  6. Step 6: Final answer
    x = 912,207.41

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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.