Home / 1,359,462.96-1,876,021.47-747,615.71

Finding the Fourth Proportional to 1,359,462.96, 1,876,021.47 and 747,615.71

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Solution

The fourth proportional to 1,359,462.96, 1,876,021.47 and 747,615.71 is: 1,031,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,462.96 : 1,876,021.47 = 747,615.71 : x
  2. Step 2: Convert to fraction form
    1,359,462.96/1,876,021.47 = 747,615.71/x
  3. Step 3: Cross multiply
    1,359,462.96x = 1,876,021.47 × 747,615.71
  4. Step 4: Simplify right side
    1,359,462.96x = 1,402,543,127,959.35
  5. Step 5: Solve for x
    x = 1,402,543,127,959.35/1,359,462.96
  6. Step 6: Final answer
    x = 1,031,689.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.