Home / 1,215,480.40-1,823,047.80-374,117.20

Finding the Fourth Proportional to 1,215,480.40, 1,823,047.80 and 374,117.20

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Solution

The fourth proportional to 1,215,480.40, 1,823,047.80 and 374,117.20 is: 561,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,480.40 : 1,823,047.80 = 374,117.20 : x
  2. Step 2: Convert to fraction form
    1,215,480.40/1,823,047.80 = 374,117.20/x
  3. Step 3: Cross multiply
    1,215,480.40x = 1,823,047.80 × 374,117.20
  4. Step 4: Simplify right side
    1,215,480.40x = 682,033,538,402.16
  5. Step 5: Solve for x
    x = 682,033,538,402.16/1,215,480.40
  6. Step 6: Final answer
    x = 561,122.61

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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.