Home / 1,236,473.79-1,854,836.43-426,752.83

Finding the Fourth Proportional to 1,236,473.79, 1,854,836.43 and 426,752.83

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Solution

The fourth proportional to 1,236,473.79, 1,854,836.43 and 426,752.83 is: 640,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,473.79 : 1,854,836.43 = 426,752.83 : x
  2. Step 2: Convert to fraction form
    1,236,473.79/1,854,836.43 = 426,752.83/x
  3. Step 3: Cross multiply
    1,236,473.79x = 1,854,836.43 × 426,752.83
  4. Step 4: Simplify right side
    1,236,473.79x = 791,556,695,689.60
  5. Step 5: Solve for x
    x = 791,556,695,689.60/1,236,473.79
  6. Step 6: Final answer
    x = 640,172.64

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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.