Home / 1,117,610.11-1,676,741.80-359,434.59

Finding the Fourth Proportional to 1,117,610.11, 1,676,741.80 and 359,434.59

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Solution

The fourth proportional to 1,117,610.11, 1,676,741.80 and 359,434.59 is: 539,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,610.11 : 1,676,741.80 = 359,434.59 : x
  2. Step 2: Convert to fraction form
    1,117,610.11/1,676,741.80 = 359,434.59/x
  3. Step 3: Cross multiply
    1,117,610.11x = 1,676,741.80 × 359,434.59
  4. Step 4: Simplify right side
    1,117,610.11x = 602,679,001,418.86
  5. Step 5: Solve for x
    x = 602,679,001,418.86/1,117,610.11
  6. Step 6: Final answer
    x = 539,256.93

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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.