Home / 1,070,287.92-1,477,042.56-611,478

Finding the Fourth Proportional to 1,070,287.92, 1,477,042.56 and 611,478

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Solution

The fourth proportional to 1,070,287.92, 1,477,042.56 and 611,478 is: 843,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,287.92 : 1,477,042.56 = 611,478 : x
  2. Step 2: Convert to fraction form
    1,070,287.92/1,477,042.56 = 611,478/x
  3. Step 3: Cross multiply
    1,070,287.92x = 1,477,042.56 × 611,478
  4. Step 4: Simplify right side
    1,070,287.92x = 903,179,030,503.68
  5. Step 5: Solve for x
    x = 903,179,030,503.68/1,070,287.92
  6. Step 6: Final answer
    x = 843,865.48

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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.