Home / 1,125,868.65-1,688,612.97-316,067.37

Finding the Fourth Proportional to 1,125,868.65, 1,688,612.97 and 316,067.37

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Solution

The fourth proportional to 1,125,868.65, 1,688,612.97 and 316,067.37 is: 474,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,868.65 : 1,688,612.97 = 316,067.37 : x
  2. Step 2: Convert to fraction form
    1,125,868.65/1,688,612.97 = 316,067.37/x
  3. Step 3: Cross multiply
    1,125,868.65x = 1,688,612.97 × 316,067.37
  4. Step 4: Simplify right side
    1,125,868.65x = 533,715,460,375.79
  5. Step 5: Solve for x
    x = 533,715,460,375.79/1,125,868.65
  6. Step 6: Final answer
    x = 474,047.71

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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.