Home / 1,341,350.70-2,011,491.45-442,542.30

Finding the Fourth Proportional to 1,341,350.70, 2,011,491.45 and 442,542.30

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Solution

The fourth proportional to 1,341,350.70, 2,011,491.45 and 442,542.30 is: 663,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,350.70 : 2,011,491.45 = 442,542.30 : x
  2. Step 2: Convert to fraction form
    1,341,350.70/2,011,491.45 = 442,542.30/x
  3. Step 3: Cross multiply
    1,341,350.70x = 2,011,491.45 × 442,542.30
  4. Step 4: Simplify right side
    1,341,350.70x = 890,170,052,713.34
  5. Step 5: Solve for x
    x = 890,170,052,713.34/1,341,350.70
  6. Step 6: Final answer
    x = 663,637.07

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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.