Home / 1,367,678.78-1,887,434.44-755,871.20

Finding the Fourth Proportional to 1,367,678.78, 1,887,434.44 and 755,871.20

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Solution

The fourth proportional to 1,367,678.78, 1,887,434.44 and 755,871.20 is: 1,043,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,678.78 : 1,887,434.44 = 755,871.20 : x
  2. Step 2: Convert to fraction form
    1,367,678.78/1,887,434.44 = 755,871.20/x
  3. Step 3: Cross multiply
    1,367,678.78x = 1,887,434.44 × 755,871.20
  4. Step 4: Simplify right side
    1,367,678.78x = 1,426,657,335,084.13
  5. Step 5: Solve for x
    x = 1,426,657,335,084.13/1,367,678.78
  6. Step 6: Final answer
    x = 1,043,123.10

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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.