Home / 1,675,849.50-2,312,652.87-911,889.90

Finding the Fourth Proportional to 1,675,849.50, 2,312,652.87 and 911,889.90

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Solution

The fourth proportional to 1,675,849.50, 2,312,652.87 and 911,889.90 is: 1,258,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,849.50 : 2,312,652.87 = 911,889.90 : x
  2. Step 2: Convert to fraction form
    1,675,849.50/2,312,652.87 = 911,889.90/x
  3. Step 3: Cross multiply
    1,675,849.50x = 2,312,652.87 × 911,889.90
  4. Step 4: Simplify right side
    1,675,849.50x = 2,108,884,794,359.01
  5. Step 5: Solve for x
    x = 2,108,884,794,359.01/1,675,849.50
  6. Step 6: Final answer
    x = 1,258,397.48

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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.