Home / 1,587,122.37-2,190,371.73-898,961.61

Finding the Fourth Proportional to 1,587,122.37, 2,190,371.73 and 898,961.61

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Solution

The fourth proportional to 1,587,122.37, 2,190,371.73 and 898,961.61 is: 1,240,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,122.37 : 2,190,371.73 = 898,961.61 : x
  2. Step 2: Convert to fraction form
    1,587,122.37/2,190,371.73 = 898,961.61/x
  3. Step 3: Cross multiply
    1,587,122.37x = 2,190,371.73 × 898,961.61
  4. Step 4: Simplify right side
    1,587,122.37x = 1,969,060,096,899.29
  5. Step 5: Solve for x
    x = 1,969,060,096,899.29/1,587,122.37
  6. Step 6: Final answer
    x = 1,240,647.94

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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.