Home / 1,070,679.46-1,477,661.11-640,959.47

Finding the Fourth Proportional to 1,070,679.46, 1,477,661.11 and 640,959.47

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Solution

The fourth proportional to 1,070,679.46, 1,477,661.11 and 640,959.47 is: 884,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,679.46 : 1,477,661.11 = 640,959.47 : x
  2. Step 2: Convert to fraction form
    1,070,679.46/1,477,661.11 = 640,959.47/x
  3. Step 3: Cross multiply
    1,070,679.46x = 1,477,661.11 × 640,959.47
  4. Step 4: Simplify right side
    1,070,679.46x = 947,120,883,996.97
  5. Step 5: Solve for x
    x = 947,120,883,996.97/1,070,679.46
  6. Step 6: Final answer
    x = 884,597.98

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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.