Home / 1,119,326.40-1,678,494.24-320,425.92

Finding the Fourth Proportional to 1,119,326.40, 1,678,494.24 and 320,425.92

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Solution

The fourth proportional to 1,119,326.40, 1,678,494.24 and 320,425.92 is: 480,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,326.40 : 1,678,494.24 = 320,425.92 : x
  2. Step 2: Convert to fraction form
    1,119,326.40/1,678,494.24 = 320,425.92/x
  3. Step 3: Cross multiply
    1,119,326.40x = 1,678,494.24 × 320,425.92
  4. Step 4: Simplify right side
    1,119,326.40x = 537,833,061,066.70
  5. Step 5: Solve for x
    x = 537,833,061,066.70/1,119,326.40
  6. Step 6: Final answer
    x = 480,497.07

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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.