Home / 1,564,812.20-2,347,218.30-442,881.20

Finding the Fourth Proportional to 1,564,812.20, 2,347,218.30 and 442,881.20

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Solution

The fourth proportional to 1,564,812.20, 2,347,218.30 and 442,881.20 is: 664,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,812.20 : 2,347,218.30 = 442,881.20 : x
  2. Step 2: Convert to fraction form
    1,564,812.20/2,347,218.30 = 442,881.20/x
  3. Step 3: Cross multiply
    1,564,812.20x = 2,347,218.30 × 442,881.20
  4. Step 4: Simplify right side
    1,564,812.20x = 1,039,538,857,365.96
  5. Step 5: Solve for x
    x = 1,039,538,857,365.96/1,564,812.20
  6. Step 6: Final answer
    x = 664,321.80

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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.