Home / 1,039,684.40-1,558,859.22-432,893.05

Finding the Fourth Proportional to 1,039,684.40, 1,558,859.22 and 432,893.05

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Solution

The fourth proportional to 1,039,684.40, 1,558,859.22 and 432,893.05 is: 649,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,684.40 : 1,558,859.22 = 432,893.05 : x
  2. Step 2: Convert to fraction form
    1,039,684.40/1,558,859.22 = 432,893.05/x
  3. Step 3: Cross multiply
    1,039,684.40x = 1,558,859.22 × 432,893.05
  4. Step 4: Simplify right side
    1,039,684.40x = 674,819,322,266.42
  5. Step 5: Solve for x
    x = 674,819,322,266.42/1,039,684.40
  6. Step 6: Final answer
    x = 649,061.70

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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.