Home / 1,214,518.74-1,676,024.96-670,642.80

Finding the Fourth Proportional to 1,214,518.74, 1,676,024.96 and 670,642.80

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Solution

The fourth proportional to 1,214,518.74, 1,676,024.96 and 670,642.80 is: 925,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,518.74 : 1,676,024.96 = 670,642.80 : x
  2. Step 2: Convert to fraction form
    1,214,518.74/1,676,024.96 = 670,642.80/x
  3. Step 3: Cross multiply
    1,214,518.74x = 1,676,024.96 × 670,642.80
  4. Step 4: Simplify right side
    1,214,518.74x = 1,124,014,068,691.07
  5. Step 5: Solve for x
    x = 1,124,014,068,691.07/1,214,518.74
  6. Step 6: Final answer
    x = 925,481.04

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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.