Home / 945,947.20-1,416,847.20-821,531.20

Finding the Fourth Proportional to 945,947.20, 1,416,847.20 and 821,531.20

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Solution

The fourth proportional to 945,947.20, 1,416,847.20 and 821,531.20 is: 1,230,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,947.20 : 1,416,847.20 = 821,531.20 : x
  2. Step 2: Convert to fraction form
    945,947.20/1,416,847.20 = 821,531.20/x
  3. Step 3: Cross multiply
    945,947.20x = 1,416,847.20 × 821,531.20
  4. Step 4: Simplify right side
    945,947.20x = 1,163,984,180,432.64
  5. Step 5: Solve for x
    x = 1,163,984,180,432.64/945,947.20
  6. Step 6: Final answer
    x = 1,230,495.93

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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.