Home / 1,202,663.40-1,659,702.30-686,406.96

Finding the Fourth Proportional to 1,202,663.40, 1,659,702.30 and 686,406.96

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Solution

The fourth proportional to 1,202,663.40, 1,659,702.30 and 686,406.96 is: 947,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,663.40 : 1,659,702.30 = 686,406.96 : x
  2. Step 2: Convert to fraction form
    1,202,663.40/1,659,702.30 = 686,406.96/x
  3. Step 3: Cross multiply
    1,202,663.40x = 1,659,702.30 × 686,406.96
  4. Step 4: Simplify right side
    1,202,663.40x = 1,139,231,210,248.01
  5. Step 5: Solve for x
    x = 1,139,231,210,248.01/1,202,663.40
  6. Step 6: Final answer
    x = 947,256.91

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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.