Home / 1,874,847.72-2,812,275.66-677,615.40

Finding the Fourth Proportional to 1,874,847.72, 2,812,275.66 and 677,615.40

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Solution

The fourth proportional to 1,874,847.72, 2,812,275.66 and 677,615.40 is: 1,016,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,847.72 : 2,812,275.66 = 677,615.40 : x
  2. Step 2: Convert to fraction form
    1,874,847.72/2,812,275.66 = 677,615.40/x
  3. Step 3: Cross multiply
    1,874,847.72x = 2,812,275.66 × 677,615.40
  4. Step 4: Simplify right side
    1,874,847.72x = 1,905,641,296,261.16
  5. Step 5: Solve for x
    x = 1,905,641,296,261.16/1,874,847.72
  6. Step 6: Final answer
    x = 1,016,424.57

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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.