Home / 1,117,341.79-1,676,021.19-318,622.66

Finding the Fourth Proportional to 1,117,341.79, 1,676,021.19 and 318,622.66

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Solution

The fourth proportional to 1,117,341.79, 1,676,021.19 and 318,622.66 is: 477,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,341.79 : 1,676,021.19 = 318,622.66 : x
  2. Step 2: Convert to fraction form
    1,117,341.79/1,676,021.19 = 318,622.66/x
  3. Step 3: Cross multiply
    1,117,341.79x = 1,676,021.19 × 318,622.66
  4. Step 4: Simplify right side
    1,117,341.79x = 534,018,329,774.17
  5. Step 5: Solve for x
    x = 534,018,329,774.17/1,117,341.79
  6. Step 6: Final answer
    x = 477,936.42

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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.