Home / 1,070,679.08-1,477,660.59-640,959.10

Finding the Fourth Proportional to 1,070,679.08, 1,477,660.59 and 640,959.10

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Solution

The fourth proportional to 1,070,679.08, 1,477,660.59 and 640,959.10 is: 884,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,679.08 : 1,477,660.59 = 640,959.10 : x
  2. Step 2: Convert to fraction form
    1,070,679.08/1,477,660.59 = 640,959.10/x
  3. Step 3: Cross multiply
    1,070,679.08x = 1,477,660.59 × 640,959.10
  4. Step 4: Simplify right side
    1,070,679.08x = 947,119,998,177.72
  5. Step 5: Solve for x
    x = 947,119,998,177.72/1,070,679.08
  6. Step 6: Final answer
    x = 884,597.46

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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.