Home / 1,060,928.80-1,591,393.20-429,863.20

Finding the Fourth Proportional to 1,060,928.80, 1,591,393.20 and 429,863.20

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Solution

The fourth proportional to 1,060,928.80, 1,591,393.20 and 429,863.20 is: 644,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,928.80 : 1,591,393.20 = 429,863.20 : x
  2. Step 2: Convert to fraction form
    1,060,928.80/1,591,393.20 = 429,863.20/x
  3. Step 3: Cross multiply
    1,060,928.80x = 1,591,393.20 × 429,863.20
  4. Step 4: Simplify right side
    1,060,928.80x = 684,081,373,410.24
  5. Step 5: Solve for x
    x = 684,081,373,410.24/1,060,928.80
  6. Step 6: Final answer
    x = 644,794.80

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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.