Home / 1,069,727.40-1,605,498.30-439,093.80

Finding the Fourth Proportional to 1,069,727.40, 1,605,498.30 and 439,093.80

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Solution

The fourth proportional to 1,069,727.40, 1,605,498.30 and 439,093.80 is: 659,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,727.40 : 1,605,498.30 = 439,093.80 : x
  2. Step 2: Convert to fraction form
    1,069,727.40/1,605,498.30 = 439,093.80/x
  3. Step 3: Cross multiply
    1,069,727.40x = 1,605,498.30 × 439,093.80
  4. Step 4: Simplify right side
    1,069,727.40x = 704,964,349,440.54
  5. Step 5: Solve for x
    x = 704,964,349,440.54/1,069,727.40
  6. Step 6: Final answer
    x = 659,013.08

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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.