Home / 1,488,180.30-2,232,220.64-646,732.05

Finding the Fourth Proportional to 1,488,180.30, 2,232,220.64 and 646,732.05

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Solution

The fourth proportional to 1,488,180.30, 2,232,220.64 and 646,732.05 is: 970,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,180.30 : 2,232,220.64 = 646,732.05 : x
  2. Step 2: Convert to fraction form
    1,488,180.30/2,232,220.64 = 646,732.05/x
  3. Step 3: Cross multiply
    1,488,180.30x = 2,232,220.64 × 646,732.05
  4. Step 4: Simplify right side
    1,488,180.30x = 1,443,648,627,325.85
  5. Step 5: Solve for x
    x = 1,443,648,627,325.85/1,488,180.30
  6. Step 6: Final answer
    x = 970,076.43

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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.