Home / 1,340,820.20-2,010,695.70-442,011.80

Finding the Fourth Proportional to 1,340,820.20, 2,010,695.70 and 442,011.80

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Solution

The fourth proportional to 1,340,820.20, 2,010,695.70 and 442,011.80 is: 662,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,820.20 : 2,010,695.70 = 442,011.80 : x
  2. Step 2: Convert to fraction form
    1,340,820.20/2,010,695.70 = 442,011.80/x
  3. Step 3: Cross multiply
    1,340,820.20x = 2,010,695.70 × 442,011.80
  4. Step 4: Simplify right side
    1,340,820.20x = 888,751,225,609.26
  5. Step 5: Solve for x
    x = 888,751,225,609.26/1,340,820.20
  6. Step 6: Final answer
    x = 662,841.46

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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.