Home / 1,214,122.52-1,675,445.07-670,246.61

Finding the Fourth Proportional to 1,214,122.52, 1,675,445.07 and 670,246.61

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Solution

The fourth proportional to 1,214,122.52, 1,675,445.07 and 670,246.61 is: 924,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,122.52 : 1,675,445.07 = 670,246.61 : x
  2. Step 2: Convert to fraction form
    1,214,122.52/1,675,445.07 = 670,246.61/x
  3. Step 3: Cross multiply
    1,214,122.52x = 1,675,445.07 × 670,246.61
  4. Step 4: Simplify right side
    1,214,122.52x = 1,122,961,370,031.49
  5. Step 5: Solve for x
    x = 1,122,961,370,031.49/1,214,122.52
  6. Step 6: Final answer
    x = 924,916.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.