Home / 1,117,666.35-1,675,995.15-318,757.98

Finding the Fourth Proportional to 1,117,666.35, 1,675,995.15 and 318,757.98

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Solution

The fourth proportional to 1,117,666.35, 1,675,995.15 and 318,757.98 is: 477,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,666.35 : 1,675,995.15 = 318,757.98 : x
  2. Step 2: Convert to fraction form
    1,117,666.35/1,675,995.15 = 318,757.98/x
  3. Step 3: Cross multiply
    1,117,666.35x = 1,675,995.15 × 318,757.98
  4. Step 4: Simplify right side
    1,117,666.35x = 534,236,834,191.11
  5. Step 5: Solve for x
    x = 534,236,834,191.11/1,117,666.35
  6. Step 6: Final answer
    x = 477,993.13

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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.