Home / 1,630,255.20-2,445,382.80-1,257,007.20

Finding the Fourth Proportional to 1,630,255.20, 2,445,382.80 and 1,257,007.20

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Solution

The fourth proportional to 1,630,255.20, 2,445,382.80 and 1,257,007.20 is: 1,885,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,255.20 : 2,445,382.80 = 1,257,007.20 : x
  2. Step 2: Convert to fraction form
    1,630,255.20/2,445,382.80 = 1,257,007.20/x
  3. Step 3: Cross multiply
    1,630,255.20x = 2,445,382.80 × 1,257,007.20
  4. Step 4: Simplify right side
    1,630,255.20x = 3,073,863,786,356.16
  5. Step 5: Solve for x
    x = 3,073,863,786,356.16/1,630,255.20
  6. Step 6: Final answer
    x = 1,885,510.80

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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.