Home / 1,677,615.15-2,315,135.28-913,668.12

Finding the Fourth Proportional to 1,677,615.15, 2,315,135.28 and 913,668.12

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Solution

The fourth proportional to 1,677,615.15, 2,315,135.28 and 913,668.12 is: 1,260,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,615.15 : 2,315,135.28 = 913,668.12 : x
  2. Step 2: Convert to fraction form
    1,677,615.15/2,315,135.28 = 913,668.12/x
  3. Step 3: Cross multiply
    1,677,615.15x = 2,315,135.28 × 913,668.12
  4. Step 4: Simplify right side
    1,677,615.15x = 2,115,265,298,823.27
  5. Step 5: Solve for x
    x = 2,115,265,298,823.27/1,677,615.15
  6. Step 6: Final answer
    x = 1,260,876.37

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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.