Home / 1,070,679.34-1,477,660.94-640,959.36

Finding the Fourth Proportional to 1,070,679.34, 1,477,660.94 and 640,959.36

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Solution

The fourth proportional to 1,070,679.34, 1,477,660.94 and 640,959.36 is: 884,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,679.34 : 1,477,660.94 = 640,959.36 : x
  2. Step 2: Convert to fraction form
    1,070,679.34/1,477,660.94 = 640,959.36/x
  3. Step 3: Cross multiply
    1,070,679.34x = 1,477,660.94 × 640,959.36
  4. Step 4: Simplify right side
    1,070,679.34x = 947,120,610,399.40
  5. Step 5: Solve for x
    x = 947,120,610,399.40/1,070,679.34
  6. Step 6: Final answer
    x = 884,597.82

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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.