Home / 1,070,246.40-1,606,147.20-439,612.80

Finding the Fourth Proportional to 1,070,246.40, 1,606,147.20 and 439,612.80

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Solution

The fourth proportional to 1,070,246.40, 1,606,147.20 and 439,612.80 is: 659,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,246.40 : 1,606,147.20 = 439,612.80 : x
  2. Step 2: Convert to fraction form
    1,070,246.40/1,606,147.20 = 439,612.80/x
  3. Step 3: Cross multiply
    1,070,246.40x = 1,606,147.20 × 439,612.80
  4. Step 4: Simplify right side
    1,070,246.40x = 706,082,867,804.16
  5. Step 5: Solve for x
    x = 706,082,867,804.16/1,070,246.40
  6. Step 6: Final answer
    x = 659,738.61

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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.