Home / 1,214,953.80-1,822,406.10-316,375.68

Finding the Fourth Proportional to 1,214,953.80, 1,822,406.10 and 316,375.68

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Solution

The fourth proportional to 1,214,953.80, 1,822,406.10 and 316,375.68 is: 474,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,953.80 : 1,822,406.10 = 316,375.68 : x
  2. Step 2: Convert to fraction form
    1,214,953.80/1,822,406.10 = 316,375.68/x
  3. Step 3: Cross multiply
    1,214,953.80x = 1,822,406.10 × 316,375.68
  4. Step 4: Simplify right side
    1,214,953.80x = 576,564,969,123.65
  5. Step 5: Solve for x
    x = 576,564,969,123.65/1,214,953.80
  6. Step 6: Final answer
    x = 474,557.11

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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.