Home / 1,522,075.38-2,100,217.20-910,480.86

Finding the Fourth Proportional to 1,522,075.38, 2,100,217.20 and 910,480.86

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Solution

The fourth proportional to 1,522,075.38, 2,100,217.20 and 910,480.86 is: 1,256,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,075.38 : 2,100,217.20 = 910,480.86 : x
  2. Step 2: Convert to fraction form
    1,522,075.38/2,100,217.20 = 910,480.86/x
  3. Step 3: Cross multiply
    1,522,075.38x = 2,100,217.20 × 910,480.86
  4. Step 4: Simplify right side
    1,522,075.38x = 1,912,207,562,442.79
  5. Step 5: Solve for x
    x = 1,912,207,562,442.79/1,522,075.38
  6. Step 6: Final answer
    x = 1,256,315.94

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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.