Home / 1,245,201.40-1,867,802.10-1,023,767.65

Finding the Fourth Proportional to 1,245,201.40, 1,867,802.10 and 1,023,767.65

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Solution

The fourth proportional to 1,245,201.40, 1,867,802.10 and 1,023,767.65 is: 1,535,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,201.40 : 1,867,802.10 = 1,023,767.65 : x
  2. Step 2: Convert to fraction form
    1,245,201.40/1,867,802.10 = 1,023,767.65/x
  3. Step 3: Cross multiply
    1,245,201.40x = 1,867,802.10 × 1,023,767.65
  4. Step 4: Simplify right side
    1,245,201.40x = 1,912,195,366,582.07
  5. Step 5: Solve for x
    x = 1,912,195,366,582.07/1,245,201.40
  6. Step 6: Final answer
    x = 1,535,651.48

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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.