Home / 1,675,563.40-2,312,287.62-911,622.52

Finding the Fourth Proportional to 1,675,563.40, 2,312,287.62 and 911,622.52

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Solution

The fourth proportional to 1,675,563.40, 2,312,287.62 and 911,622.52 is: 1,258,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,563.40 : 2,312,287.62 = 911,622.52 : x
  2. Step 2: Convert to fraction form
    1,675,563.40/2,312,287.62 = 911,622.52/x
  3. Step 3: Cross multiply
    1,675,563.40x = 2,312,287.62 × 911,622.52
  4. Step 4: Simplify right side
    1,675,563.40x = 2,107,933,467,109.20
  5. Step 5: Solve for x
    x = 2,107,933,467,109.20/1,675,563.40
  6. Step 6: Final answer
    x = 1,258,044.59

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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.