Home / 1,070,222.40-1,606,111.20-439,588.80

Finding the Fourth Proportional to 1,070,222.40, 1,606,111.20 and 439,588.80

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Solution

The fourth proportional to 1,070,222.40, 1,606,111.20 and 439,588.80 is: 659,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,222.40 : 1,606,111.20 = 439,588.80 : x
  2. Step 2: Convert to fraction form
    1,070,222.40/1,606,111.20 = 439,588.80/x
  3. Step 3: Cross multiply
    1,070,222.40x = 1,606,111.20 × 439,588.80
  4. Step 4: Simplify right side
    1,070,222.40x = 706,028,495,074.56
  5. Step 5: Solve for x
    x = 706,028,495,074.56/1,070,222.40
  6. Step 6: Final answer
    x = 659,702.60

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Double scale
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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.