Home / 1,436,809.32-2,155,380.75-477,350.55

Finding the Fourth Proportional to 1,436,809.32, 2,155,380.75 and 477,350.55

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Solution

The fourth proportional to 1,436,809.32, 2,155,380.75 and 477,350.55 is: 716,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,809.32 : 2,155,380.75 = 477,350.55 : x
  2. Step 2: Convert to fraction form
    1,436,809.32/2,155,380.75 = 477,350.55/x
  3. Step 3: Cross multiply
    1,436,809.32x = 2,155,380.75 × 477,350.55
  4. Step 4: Simplify right side
    1,436,809.32x = 1,028,872,186,471.91
  5. Step 5: Solve for x
    x = 1,028,872,186,471.91/1,436,809.32
  6. Step 6: Final answer
    x = 716,081.23

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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.