Home / 1,236,026.79-1,854,729.09-667,395.86

Finding the Fourth Proportional to 1,236,026.79, 1,854,729.09 and 667,395.86

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Solution

The fourth proportional to 1,236,026.79, 1,854,729.09 and 667,395.86 is: 1,001,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,026.79 : 1,854,729.09 = 667,395.86 : x
  2. Step 2: Convert to fraction form
    1,236,026.79/1,854,729.09 = 667,395.86/x
  3. Step 3: Cross multiply
    1,236,026.79x = 1,854,729.09 × 667,395.86
  4. Step 4: Simplify right side
    1,236,026.79x = 1,237,838,506,813.92
  5. Step 5: Solve for x
    x = 1,237,838,506,813.92/1,236,026.79
  6. Step 6: Final answer
    x = 1,001,465.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.