Home / 1,392,277.50-2,088,766.20-395,005.50

Finding the Fourth Proportional to 1,392,277.50, 2,088,766.20 and 395,005.50

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Solution

The fourth proportional to 1,392,277.50, 2,088,766.20 and 395,005.50 is: 592,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,277.50 : 2,088,766.20 = 395,005.50 : x
  2. Step 2: Convert to fraction form
    1,392,277.50/2,088,766.20 = 395,005.50/x
  3. Step 3: Cross multiply
    1,392,277.50x = 2,088,766.20 × 395,005.50
  4. Step 4: Simplify right side
    1,392,277.50x = 825,074,137,214.10
  5. Step 5: Solve for x
    x = 825,074,137,214.10/1,392,277.50
  6. Step 6: Final answer
    x = 592,607.53

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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.