Home / 1,316,267.88-1,974,401.81-318,995.88

Finding the Fourth Proportional to 1,316,267.88, 1,974,401.81 and 318,995.88

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Solution

The fourth proportional to 1,316,267.88, 1,974,401.81 and 318,995.88 is: 478,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,267.88 : 1,974,401.81 = 318,995.88 : x
  2. Step 2: Convert to fraction form
    1,316,267.88/1,974,401.81 = 318,995.88/x
  3. Step 3: Cross multiply
    1,316,267.88x = 1,974,401.81 × 318,995.88
  4. Step 4: Simplify right side
    1,316,267.88x = 629,826,042,854.54
  5. Step 5: Solve for x
    x = 629,826,042,854.54/1,316,267.88
  6. Step 6: Final answer
    x = 478,493.82

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Similar ratio
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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.