Home / 1,244,465.76-1,868,274.08-763,511.64

Finding the Fourth Proportional to 1,244,465.76, 1,868,274.08 and 763,511.64

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Solution

The fourth proportional to 1,244,465.76, 1,868,274.08 and 763,511.64 is: 1,146,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,465.76 : 1,868,274.08 = 763,511.64 : x
  2. Step 2: Convert to fraction form
    1,244,465.76/1,868,274.08 = 763,511.64/x
  3. Step 3: Cross multiply
    1,244,465.76x = 1,868,274.08 × 763,511.64
  4. Step 4: Simplify right side
    1,244,465.76x = 1,426,449,006,790.29
  5. Step 5: Solve for x
    x = 1,426,449,006,790.29/1,244,465.76
  6. Step 6: Final answer
    x = 1,146,234.03

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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.