Home / 1,202,968.76-1,660,033.37-686,702.12

Finding the Fourth Proportional to 1,202,968.76, 1,660,033.37 and 686,702.12

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Solution

The fourth proportional to 1,202,968.76, 1,660,033.37 and 686,702.12 is: 947,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,968.76 : 1,660,033.37 = 686,702.12 : x
  2. Step 2: Convert to fraction form
    1,202,968.76/1,660,033.37 = 686,702.12/x
  3. Step 3: Cross multiply
    1,202,968.76x = 1,660,033.37 × 686,702.12
  4. Step 4: Simplify right side
    1,202,968.76x = 1,139,948,427,866.33
  5. Step 5: Solve for x
    x = 1,139,948,427,866.33/1,202,968.76
  6. Step 6: Final answer
    x = 947,612.67

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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.