Home / 1,437,218.91-2,155,460.22-426,104.55

Finding the Fourth Proportional to 1,437,218.91, 2,155,460.22 and 426,104.55

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Solution

The fourth proportional to 1,437,218.91, 2,155,460.22 and 426,104.55 is: 639,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,218.91 : 2,155,460.22 = 426,104.55 : x
  2. Step 2: Convert to fraction form
    1,437,218.91/2,155,460.22 = 426,104.55/x
  3. Step 3: Cross multiply
    1,437,218.91x = 2,155,460.22 × 426,104.55
  4. Step 4: Simplify right side
    1,437,218.91x = 918,451,407,086.00
  5. Step 5: Solve for x
    x = 918,451,407,086.00/1,437,218.91
  6. Step 6: Final answer
    x = 639,047.68

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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.