Home / 1,005,789.08-1,499,208.57-925,076.63

Finding the Fourth Proportional to 1,005,789.08, 1,499,208.57 and 925,076.63

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Solution

The fourth proportional to 1,005,789.08, 1,499,208.57 and 925,076.63 is: 1,378,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,789.08 : 1,499,208.57 = 925,076.63 : x
  2. Step 2: Convert to fraction form
    1,005,789.08/1,499,208.57 = 925,076.63/x
  3. Step 3: Cross multiply
    1,005,789.08x = 1,499,208.57 × 925,076.63
  4. Step 4: Simplify right side
    1,005,789.08x = 1,386,882,815,350.74
  5. Step 5: Solve for x
    x = 1,386,882,815,350.74/1,005,789.08
  6. Step 6: Final answer
    x = 1,378,900.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.