Home / 1,367,871.86-1,887,760.91-756,011.45

Finding the Fourth Proportional to 1,367,871.86, 1,887,760.91 and 756,011.45

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Solution

The fourth proportional to 1,367,871.86, 1,887,760.91 and 756,011.45 is: 1,043,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,871.86 : 1,887,760.91 = 756,011.45 : x
  2. Step 2: Convert to fraction form
    1,367,871.86/1,887,760.91 = 756,011.45/x
  3. Step 3: Cross multiply
    1,367,871.86x = 1,887,760.91 × 756,011.45
  4. Step 4: Simplify right side
    1,367,871.86x = 1,427,168,863,761.76
  5. Step 5: Solve for x
    x = 1,427,168,863,761.76/1,367,871.86
  6. Step 6: Final answer
    x = 1,043,349.82

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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.