Home / 1,641,712.28-2,462,576.61-742,100.76

Finding the Fourth Proportional to 1,641,712.28, 2,462,576.61 and 742,100.76

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Solution

The fourth proportional to 1,641,712.28, 2,462,576.61 and 742,100.76 is: 1,113,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,712.28 : 2,462,576.61 = 742,100.76 : x
  2. Step 2: Convert to fraction form
    1,641,712.28/2,462,576.61 = 742,100.76/x
  3. Step 3: Cross multiply
    1,641,712.28x = 2,462,576.61 × 742,100.76
  4. Step 4: Simplify right side
    1,641,712.28x = 1,827,479,976,622.10
  5. Step 5: Solve for x
    x = 1,827,479,976,622.10/1,641,712.28
  6. Step 6: Final answer
    x = 1,113,154.85

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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.