Home / 1,117,278.92-1,675,933.98-318,560.47

Finding the Fourth Proportional to 1,117,278.92, 1,675,933.98 and 318,560.47

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Solution

The fourth proportional to 1,117,278.92, 1,675,933.98 and 318,560.47 is: 477,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,278.92 : 1,675,933.98 = 318,560.47 : x
  2. Step 2: Convert to fraction form
    1,117,278.92/1,675,933.98 = 318,560.47/x
  3. Step 3: Cross multiply
    1,117,278.92x = 1,675,933.98 × 318,560.47
  4. Step 4: Simplify right side
    1,117,278.92x = 533,886,312,167.94
  5. Step 5: Solve for x
    x = 533,886,312,167.94/1,117,278.92
  6. Step 6: Final answer
    x = 477,845.15

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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.