Home / 1,578,440.56-2,367,682.71-513,488.20

Finding the Fourth Proportional to 1,578,440.56, 2,367,682.71 and 513,488.20

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Solution

The fourth proportional to 1,578,440.56, 2,367,682.71 and 513,488.20 is: 770,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,440.56 : 2,367,682.71 = 513,488.20 : x
  2. Step 2: Convert to fraction form
    1,578,440.56/2,367,682.71 = 513,488.20/x
  3. Step 3: Cross multiply
    1,578,440.56x = 2,367,682.71 × 513,488.20
  4. Step 4: Simplify right side
    1,578,440.56x = 1,215,777,132,929.02
  5. Step 5: Solve for x
    x = 1,215,777,132,929.02/1,578,440.56
  6. Step 6: Final answer
    x = 770,239.41

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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.