Home / 1,008,078.35-1,510,367.92-652,909.55

Finding the Fourth Proportional to 1,008,078.35, 1,510,367.92 and 652,909.55

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Solution

The fourth proportional to 1,008,078.35, 1,510,367.92 and 652,909.55 is: 978,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,078.35 : 1,510,367.92 = 652,909.55 : x
  2. Step 2: Convert to fraction form
    1,008,078.35/1,510,367.92 = 652,909.55/x
  3. Step 3: Cross multiply
    1,008,078.35x = 1,510,367.92 × 652,909.55
  4. Step 4: Simplify right side
    1,008,078.35x = 986,133,638,981.64
  5. Step 5: Solve for x
    x = 986,133,638,981.64/1,008,078.35
  6. Step 6: Final answer
    x = 978,231.15

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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.