Home / 1,085,422.40-1,628,211.36-286,695.98

Finding the Fourth Proportional to 1,085,422.40, 1,628,211.36 and 286,695.98

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Solution

The fourth proportional to 1,085,422.40, 1,628,211.36 and 286,695.98 is: 430,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,422.40 : 1,628,211.36 = 286,695.98 : x
  2. Step 2: Convert to fraction form
    1,085,422.40/1,628,211.36 = 286,695.98/x
  3. Step 3: Cross multiply
    1,085,422.40x = 1,628,211.36 × 286,695.98
  4. Step 4: Simplify right side
    1,085,422.40x = 466,801,651,502.33
  5. Step 5: Solve for x
    x = 466,801,651,502.33/1,085,422.40
  6. Step 6: Final answer
    x = 430,064.51

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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.