Home / 910,889.40-1,363,642.74-871,917.24

Finding the Fourth Proportional to 910,889.40, 1,363,642.74 and 871,917.24

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Solution

The fourth proportional to 910,889.40, 1,363,642.74 and 871,917.24 is: 1,305,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,889.40 : 1,363,642.74 = 871,917.24 : x
  2. Step 2: Convert to fraction form
    910,889.40/1,363,642.74 = 871,917.24/x
  3. Step 3: Cross multiply
    910,889.40x = 1,363,642.74 × 871,917.24
  4. Step 4: Simplify right side
    910,889.40x = 1,188,983,614,206.84
  5. Step 5: Solve for x
    x = 1,188,983,614,206.84/910,889.40
  6. Step 6: Final answer
    x = 1,305,299.65

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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.