Home / 1,478,415.60-2,040,209.46-825,034.64

Finding the Fourth Proportional to 1,478,415.60, 2,040,209.46 and 825,034.64

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Solution

The fourth proportional to 1,478,415.60, 2,040,209.46 and 825,034.64 is: 1,138,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,415.60 : 2,040,209.46 = 825,034.64 : x
  2. Step 2: Convert to fraction form
    1,478,415.60/2,040,209.46 = 825,034.64/x
  3. Step 3: Cross multiply
    1,478,415.60x = 2,040,209.46 × 825,034.64
  4. Step 4: Simplify right side
    1,478,415.60x = 1,683,243,467,154.65
  5. Step 5: Solve for x
    x = 1,683,243,467,154.65/1,478,415.60
  6. Step 6: Final answer
    x = 1,138,545.53

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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.