Home / 1,836,689.40-2,754,313.20-698,847.30

Finding the Fourth Proportional to 1,836,689.40, 2,754,313.20 and 698,847.30

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Solution

The fourth proportional to 1,836,689.40, 2,754,313.20 and 698,847.30 is: 1,047,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,689.40 : 2,754,313.20 = 698,847.30 : x
  2. Step 2: Convert to fraction form
    1,836,689.40/2,754,313.20 = 698,847.30/x
  3. Step 3: Cross multiply
    1,836,689.40x = 2,754,313.20 × 698,847.30
  4. Step 4: Simplify right side
    1,836,689.40x = 1,924,844,343,174.36
  5. Step 5: Solve for x
    x = 1,924,844,343,174.36/1,836,689.40
  6. Step 6: Final answer
    x = 1,047,996.65

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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.