Home / 1,214,117.20-1,675,461.09-670,239.10

Finding the Fourth Proportional to 1,214,117.20, 1,675,461.09 and 670,239.10

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Solution

The fourth proportional to 1,214,117.20, 1,675,461.09 and 670,239.10 is: 924,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,117.20 : 1,675,461.09 = 670,239.10 : x
  2. Step 2: Convert to fraction form
    1,214,117.20/1,675,461.09 = 670,239.10/x
  3. Step 3: Cross multiply
    1,214,117.20x = 1,675,461.09 × 670,239.10
  4. Step 4: Simplify right side
    1,214,117.20x = 1,122,959,533,046.62
  5. Step 5: Solve for x
    x = 1,122,959,533,046.62/1,214,117.20
  6. Step 6: Final answer
    x = 924,918.56

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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.