Home / 1,079,678.26-1,619,867.14-321,526

Finding the Fourth Proportional to 1,079,678.26, 1,619,867.14 and 321,526

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Solution

The fourth proportional to 1,079,678.26, 1,619,867.14 and 321,526 is: 482,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,678.26 : 1,619,867.14 = 321,526 : x
  2. Step 2: Convert to fraction form
    1,079,678.26/1,619,867.14 = 321,526/x
  3. Step 3: Cross multiply
    1,079,678.26x = 1,619,867.14 × 321,526
  4. Step 4: Simplify right side
    1,079,678.26x = 520,829,402,055.64
  5. Step 5: Solve for x
    x = 520,829,402,055.64/1,079,678.26
  6. Step 6: Final answer
    x = 482,393.15

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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.