Home / 999,966.72-1,499,959.80-252,012.72

Finding the Fourth Proportional to 999,966.72, 1,499,959.80 and 252,012.72

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Solution

The fourth proportional to 999,966.72, 1,499,959.80 and 252,012.72 is: 378,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,966.72 : 1,499,959.80 = 252,012.72 : x
  2. Step 2: Convert to fraction form
    999,966.72/1,499,959.80 = 252,012.72/x
  3. Step 3: Cross multiply
    999,966.72x = 1,499,959.80 × 252,012.72
  4. Step 4: Simplify right side
    999,966.72x = 378,008,949,088.66
  5. Step 5: Solve for x
    x = 378,008,949,088.66/999,966.72
  6. Step 6: Final answer
    x = 378,021.53

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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.