Home / 1,039,746.20-1,559,619.30-329,829.80

Finding the Fourth Proportional to 1,039,746.20, 1,559,619.30 and 329,829.80

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Solution

The fourth proportional to 1,039,746.20, 1,559,619.30 and 329,829.80 is: 494,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,746.20 : 1,559,619.30 = 329,829.80 : x
  2. Step 2: Convert to fraction form
    1,039,746.20/1,559,619.30 = 329,829.80/x
  3. Step 3: Cross multiply
    1,039,746.20x = 1,559,619.30 × 329,829.80
  4. Step 4: Simplify right side
    1,039,746.20x = 514,408,921,795.14
  5. Step 5: Solve for x
    x = 514,408,921,795.14/1,039,746.20
  6. Step 6: Final answer
    x = 494,744.70

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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.