Home / 1,630,491.29-2,250,951.55-1,257,138.79

Finding the Fourth Proportional to 1,630,491.29, 2,250,951.55 and 1,257,138.79

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Solution

The fourth proportional to 1,630,491.29, 2,250,951.55 and 1,257,138.79 is: 1,735,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,491.29 : 2,250,951.55 = 1,257,138.79 : x
  2. Step 2: Convert to fraction form
    1,630,491.29/2,250,951.55 = 1,257,138.79/x
  3. Step 3: Cross multiply
    1,630,491.29x = 2,250,951.55 × 1,257,138.79
  4. Step 4: Simplify right side
    1,630,491.29x = 2,829,758,499,145.40
  5. Step 5: Solve for x
    x = 2,829,758,499,145.40/1,630,491.29
  6. Step 6: Final answer
    x = 1,735,525.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.