Home / 1,340,374.20-2,010,366.90-393,646.20

Finding the Fourth Proportional to 1,340,374.20, 2,010,366.90 and 393,646.20

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Solution

The fourth proportional to 1,340,374.20, 2,010,366.90 and 393,646.20 is: 590,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,374.20 : 2,010,366.90 = 393,646.20 : x
  2. Step 2: Convert to fraction form
    1,340,374.20/2,010,366.90 = 393,646.20/x
  3. Step 3: Cross multiply
    1,340,374.20x = 2,010,366.90 × 393,646.20
  4. Step 4: Simplify right side
    1,340,374.20x = 791,373,290,790.78
  5. Step 5: Solve for x
    x = 791,373,290,790.78/1,340,374.20
  6. Step 6: Final answer
    x = 590,412.21

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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.