Home / 1,042,741.76-1,438,978.56-565,813.76

Finding the Fourth Proportional to 1,042,741.76, 1,438,978.56 and 565,813.76

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Solution

The fourth proportional to 1,042,741.76, 1,438,978.56 and 565,813.76 is: 780,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,741.76 : 1,438,978.56 = 565,813.76 : x
  2. Step 2: Convert to fraction form
    1,042,741.76/1,438,978.56 = 565,813.76/x
  3. Step 3: Cross multiply
    1,042,741.76x = 1,438,978.56 × 565,813.76
  4. Step 4: Simplify right side
    1,042,741.76x = 814,193,869,592.99
  5. Step 5: Solve for x
    x = 814,193,869,592.99/1,042,741.76
  6. Step 6: Final answer
    x = 780,820.24

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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.