Home / 1,417,420.28-2,125,767.54-419,915

Finding the Fourth Proportional to 1,417,420.28, 2,125,767.54 and 419,915

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Solution

The fourth proportional to 1,417,420.28, 2,125,767.54 and 419,915 is: 629,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,420.28 : 2,125,767.54 = 419,915 : x
  2. Step 2: Convert to fraction form
    1,417,420.28/2,125,767.54 = 419,915/x
  3. Step 3: Cross multiply
    1,417,420.28x = 2,125,767.54 × 419,915
  4. Step 4: Simplify right side
    1,417,420.28x = 892,641,676,559.10
  5. Step 5: Solve for x
    x = 892,641,676,559.10/1,417,420.28
  6. Step 6: Final answer
    x = 629,765.00

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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.