Home / 1,331,042.60-1,837,165.20-758,420.48

Finding the Fourth Proportional to 1,331,042.60, 1,837,165.20 and 758,420.48

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Solution

The fourth proportional to 1,331,042.60, 1,837,165.20 and 758,420.48 is: 1,046,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,042.60 : 1,837,165.20 = 758,420.48 : x
  2. Step 2: Convert to fraction form
    1,331,042.60/1,837,165.20 = 758,420.48/x
  3. Step 3: Cross multiply
    1,331,042.60x = 1,837,165.20 × 758,420.48
  4. Step 4: Simplify right side
    1,331,042.60x = 1,393,343,712,823.30
  5. Step 5: Solve for x
    x = 1,393,343,712,823.30/1,331,042.60
  6. Step 6: Final answer
    x = 1,046,806.25

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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.