Home / 1,490,833.80-2,236,270.14-425,910.60

Finding the Fourth Proportional to 1,490,833.80, 2,236,270.14 and 425,910.60

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Solution

The fourth proportional to 1,490,833.80, 2,236,270.14 and 425,910.60 is: 638,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,833.80 : 2,236,270.14 = 425,910.60 : x
  2. Step 2: Convert to fraction form
    1,490,833.80/2,236,270.14 = 425,910.60/x
  3. Step 3: Cross multiply
    1,490,833.80x = 2,236,270.14 × 425,910.60
  4. Step 4: Simplify right side
    1,490,833.80x = 952,451,157,089.48
  5. Step 5: Solve for x
    x = 952,451,157,089.48/1,490,833.80
  6. Step 6: Final answer
    x = 638,871.45

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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.