Home / 1,446,253.86-2,168,505.72-647,386.50

Finding the Fourth Proportional to 1,446,253.86, 2,168,505.72 and 647,386.50

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Solution

The fourth proportional to 1,446,253.86, 2,168,505.72 and 647,386.50 is: 970,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,253.86 : 2,168,505.72 = 647,386.50 : x
  2. Step 2: Convert to fraction form
    1,446,253.86/2,168,505.72 = 647,386.50/x
  3. Step 3: Cross multiply
    1,446,253.86x = 2,168,505.72 × 647,386.50
  4. Step 4: Simplify right side
    1,446,253.86x = 1,403,861,328,300.78
  5. Step 5: Solve for x
    x = 1,403,861,328,300.78/1,446,253.86
  6. Step 6: Final answer
    x = 970,688.04

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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.