Home / 1,432,589.63-1,975,962.20-1,216,240.65

Finding the Fourth Proportional to 1,432,589.63, 1,975,962.20 and 1,216,240.65

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Solution

The fourth proportional to 1,432,589.63, 1,975,962.20 and 1,216,240.65 is: 1,677,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,589.63 : 1,975,962.20 = 1,216,240.65 : x
  2. Step 2: Convert to fraction form
    1,432,589.63/1,975,962.20 = 1,216,240.65/x
  3. Step 3: Cross multiply
    1,432,589.63x = 1,975,962.20 × 1,216,240.65
  4. Step 4: Simplify right side
    1,432,589.63x = 2,403,245,544,422.23
  5. Step 5: Solve for x
    x = 2,403,245,544,422.23/1,432,589.63
  6. Step 6: Final answer
    x = 1,677,553.36

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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.