Home / 1,417,770.88-2,126,771.52-420,496

Finding the Fourth Proportional to 1,417,770.88, 2,126,771.52 and 420,496

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Solution

The fourth proportional to 1,417,770.88, 2,126,771.52 and 420,496 is: 630,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,770.88 : 2,126,771.52 = 420,496 : x
  2. Step 2: Convert to fraction form
    1,417,770.88/2,126,771.52 = 420,496/x
  3. Step 3: Cross multiply
    1,417,770.88x = 2,126,771.52 × 420,496
  4. Step 4: Simplify right side
    1,417,770.88x = 894,298,917,073.92
  5. Step 5: Solve for x
    x = 894,298,917,073.92/1,417,770.88
  6. Step 6: Final answer
    x = 630,778.17

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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.