Home / 1,207,967.52-1,811,951.64-355,039.32

Finding the Fourth Proportional to 1,207,967.52, 1,811,951.64 and 355,039.32

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Solution

The fourth proportional to 1,207,967.52, 1,811,951.64 and 355,039.32 is: 532,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,967.52 : 1,811,951.64 = 355,039.32 : x
  2. Step 2: Convert to fraction form
    1,207,967.52/1,811,951.64 = 355,039.32/x
  3. Step 3: Cross multiply
    1,207,967.52x = 1,811,951.64 × 355,039.32
  4. Step 4: Simplify right side
    1,207,967.52x = 643,314,078,138.49
  5. Step 5: Solve for x
    x = 643,314,078,138.49/1,207,967.52
  6. Step 6: Final answer
    x = 532,559.09

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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.