Home / 1,085,390.76-1,628,334.18-375,418.20

Finding the Fourth Proportional to 1,085,390.76, 1,628,334.18 and 375,418.20

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Solution

The fourth proportional to 1,085,390.76, 1,628,334.18 and 375,418.20 is: 563,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,390.76 : 1,628,334.18 = 375,418.20 : x
  2. Step 2: Convert to fraction form
    1,085,390.76/1,628,334.18 = 375,418.20/x
  3. Step 3: Cross multiply
    1,085,390.76x = 1,628,334.18 × 375,418.20
  4. Step 4: Simplify right side
    1,085,390.76x = 611,306,286,854.08
  5. Step 5: Solve for x
    x = 611,306,286,854.08/1,085,390.76
  6. Step 6: Final answer
    x = 563,213.09

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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.