Home / 1,340,816.70-2,010,690.45-442,008.30

Finding the Fourth Proportional to 1,340,816.70, 2,010,690.45 and 442,008.30

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Solution

The fourth proportional to 1,340,816.70, 2,010,690.45 and 442,008.30 is: 662,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,816.70 : 2,010,690.45 = 442,008.30 : x
  2. Step 2: Convert to fraction form
    1,340,816.70/2,010,690.45 = 442,008.30/x
  3. Step 3: Cross multiply
    1,340,816.70x = 2,010,690.45 × 442,008.30
  4. Step 4: Simplify right side
    1,340,816.70x = 888,741,867,630.74
  5. Step 5: Solve for x
    x = 888,741,867,630.74/1,340,816.70
  6. Step 6: Final answer
    x = 662,836.22

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1.5x scale

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.