Home / 1,340,669.64-2,008,311.88-620,001.20

Finding the Fourth Proportional to 1,340,669.64, 2,008,311.88 and 620,001.20

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Solution

The fourth proportional to 1,340,669.64, 2,008,311.88 and 620,001.20 is: 928,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,669.64 : 2,008,311.88 = 620,001.20 : x
  2. Step 2: Convert to fraction form
    1,340,669.64/2,008,311.88 = 620,001.20/x
  3. Step 3: Cross multiply
    1,340,669.64x = 2,008,311.88 × 620,001.20
  4. Step 4: Simplify right side
    1,340,669.64x = 1,245,155,781,951.35
  5. Step 5: Solve for x
    x = 1,245,155,781,951.35/1,340,669.64
  6. Step 6: Final answer
    x = 928,756.60

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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.