Home / 1,363,615.80-2,045,423.70-985,702.20

Finding the Fourth Proportional to 1,363,615.80, 2,045,423.70 and 985,702.20

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Solution

The fourth proportional to 1,363,615.80, 2,045,423.70 and 985,702.20 is: 1,478,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,615.80 : 2,045,423.70 = 985,702.20 : x
  2. Step 2: Convert to fraction form
    1,363,615.80/2,045,423.70 = 985,702.20/x
  3. Step 3: Cross multiply
    1,363,615.80x = 2,045,423.70 × 985,702.20
  4. Step 4: Simplify right side
    1,363,615.80x = 2,016,178,641,022.14
  5. Step 5: Solve for x
    x = 2,016,178,641,022.14/1,363,615.80
  6. Step 6: Final answer
    x = 1,478,553.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.