Home / 953,621.62-1,315,007.88-663,561.82

Finding the Fourth Proportional to 953,621.62, 1,315,007.88 and 663,561.82

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Solution

The fourth proportional to 953,621.62, 1,315,007.88 and 663,561.82 is: 915,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,621.62 : 1,315,007.88 = 663,561.82 : x
  2. Step 2: Convert to fraction form
    953,621.62/1,315,007.88 = 663,561.82/x
  3. Step 3: Cross multiply
    953,621.62x = 1,315,007.88 × 663,561.82
  4. Step 4: Simplify right side
    953,621.62x = 872,589,022,167.14
  5. Step 5: Solve for x
    x = 872,589,022,167.14/953,621.62
  6. Step 6: Final answer
    x = 915,026.47

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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.