Home / 1,249,112.70-1,872,520.92-450,198.72

Finding the Fourth Proportional to 1,249,112.70, 1,872,520.92 and 450,198.72

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Solution

The fourth proportional to 1,249,112.70, 1,872,520.92 and 450,198.72 is: 674,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,112.70 : 1,872,520.92 = 450,198.72 : x
  2. Step 2: Convert to fraction form
    1,249,112.70/1,872,520.92 = 450,198.72/x
  3. Step 3: Cross multiply
    1,249,112.70x = 1,872,520.92 × 450,198.72
  4. Step 4: Simplify right side
    1,249,112.70x = 843,006,521,357.22
  5. Step 5: Solve for x
    x = 843,006,521,357.22/1,249,112.70
  6. Step 6: Final answer
    x = 674,884.28

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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.