Home / 1,180,635.32-1,770,518.28-422,271.20

Finding the Fourth Proportional to 1,180,635.32, 1,770,518.28 and 422,271.20

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Solution

The fourth proportional to 1,180,635.32, 1,770,518.28 and 422,271.20 is: 633,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,635.32 : 1,770,518.28 = 422,271.20 : x
  2. Step 2: Convert to fraction form
    1,180,635.32/1,770,518.28 = 422,271.20/x
  3. Step 3: Cross multiply
    1,180,635.32x = 1,770,518.28 × 422,271.20
  4. Step 4: Simplify right side
    1,180,635.32x = 747,638,878,717.54
  5. Step 5: Solve for x
    x = 747,638,878,717.54/1,180,635.32
  6. Step 6: Final answer
    x = 633,251.32

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1.5x scale

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.