Home / 1,285,122.30-1,925,350.65-1,047,176.70

Finding the Fourth Proportional to 1,285,122.30, 1,925,350.65 and 1,047,176.70

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Solution

The fourth proportional to 1,285,122.30, 1,925,350.65 and 1,047,176.70 is: 1,568,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,122.30 : 1,925,350.65 = 1,047,176.70 : x
  2. Step 2: Convert to fraction form
    1,285,122.30/1,925,350.65 = 1,047,176.70/x
  3. Step 3: Cross multiply
    1,285,122.30x = 1,925,350.65 × 1,047,176.70
  4. Step 4: Simplify right side
    1,285,122.30x = 2,016,182,340,009.85
  5. Step 5: Solve for x
    x = 2,016,182,340,009.85/1,285,122.30
  6. Step 6: Final answer
    x = 1,568,864.18

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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.