Home / 1,230,065.28-1,845,786.87-520,624.35

Finding the Fourth Proportional to 1,230,065.28, 1,845,786.87 and 520,624.35

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Solution

The fourth proportional to 1,230,065.28, 1,845,786.87 and 520,624.35 is: 781,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,065.28 : 1,845,786.87 = 520,624.35 : x
  2. Step 2: Convert to fraction form
    1,230,065.28/1,845,786.87 = 520,624.35/x
  3. Step 3: Cross multiply
    1,230,065.28x = 1,845,786.87 × 520,624.35
  4. Step 4: Simplify right side
    1,230,065.28x = 960,961,589,432.29
  5. Step 5: Solve for x
    x = 960,961,589,432.29/1,230,065.28
  6. Step 6: Final answer
    x = 781,228.12

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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.