Home / 1,367,689.52-1,887,449.28-755,881.96

Finding the Fourth Proportional to 1,367,689.52, 1,887,449.28 and 755,881.96

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Solution

The fourth proportional to 1,367,689.52, 1,887,449.28 and 755,881.96 is: 1,043,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,689.52 : 1,887,449.28 = 755,881.96 : x
  2. Step 2: Convert to fraction form
    1,367,689.52/1,887,449.28 = 755,881.96/x
  3. Step 3: Cross multiply
    1,367,689.52x = 1,887,449.28 × 755,881.96
  4. Step 4: Simplify right side
    1,367,689.52x = 1,426,688,861,166.99
  5. Step 5: Solve for x
    x = 1,426,688,861,166.99/1,367,689.52
  6. Step 6: Final answer
    x = 1,043,137.96

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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.