Home / 1,560,020.90-2,152,790.21-871,650.50

Finding the Fourth Proportional to 1,560,020.90, 2,152,790.21 and 871,650.50

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Solution

The fourth proportional to 1,560,020.90, 2,152,790.21 and 871,650.50 is: 1,202,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,020.90 : 2,152,790.21 = 871,650.50 : x
  2. Step 2: Convert to fraction form
    1,560,020.90/2,152,790.21 = 871,650.50/x
  3. Step 3: Cross multiply
    1,560,020.90x = 2,152,790.21 × 871,650.50
  4. Step 4: Simplify right side
    1,560,020.90x = 1,876,480,658,583.35
  5. Step 5: Solve for x
    x = 1,876,480,658,583.35/1,560,020.90
  6. Step 6: Final answer
    x = 1,202,856.10

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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.