Home / 1,393,783.92-2,090,732.58-663,931.95

Finding the Fourth Proportional to 1,393,783.92, 2,090,732.58 and 663,931.95

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Solution

The fourth proportional to 1,393,783.92, 2,090,732.58 and 663,931.95 is: 995,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,783.92 : 2,090,732.58 = 663,931.95 : x
  2. Step 2: Convert to fraction form
    1,393,783.92/2,090,732.58 = 663,931.95/x
  3. Step 3: Cross multiply
    1,393,783.92x = 2,090,732.58 × 663,931.95
  4. Step 4: Simplify right side
    1,393,783.92x = 1,388,104,158,767.93
  5. Step 5: Solve for x
    x = 1,388,104,158,767.93/1,393,783.92
  6. Step 6: Final answer
    x = 995,924.93

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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.