Home / 1,367,953.52-1,887,742.90-747,730.79

Finding the Fourth Proportional to 1,367,953.52, 1,887,742.90 and 747,730.79

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Solution

The fourth proportional to 1,367,953.52, 1,887,742.90 and 747,730.79 is: 1,031,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,953.52 : 1,887,742.90 = 747,730.79 : x
  2. Step 2: Convert to fraction form
    1,367,953.52/1,887,742.90 = 747,730.79/x
  3. Step 3: Cross multiply
    1,367,953.52x = 1,887,742.90 × 747,730.79
  4. Step 4: Simplify right side
    1,367,953.52x = 1,411,523,499,127.43
  5. Step 5: Solve for x
    x = 1,411,523,499,127.43/1,367,953.52
  6. Step 6: Final answer
    x = 1,031,850.49

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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.