Home / 1,090,311.36-1,634,767.20-715,896.96

Finding the Fourth Proportional to 1,090,311.36, 1,634,767.20 and 715,896.96

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Solution

The fourth proportional to 1,090,311.36, 1,634,767.20 and 715,896.96 is: 1,073,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,311.36 : 1,634,767.20 = 715,896.96 : x
  2. Step 2: Convert to fraction form
    1,090,311.36/1,634,767.20 = 715,896.96/x
  3. Step 3: Cross multiply
    1,090,311.36x = 1,634,767.20 × 715,896.96
  4. Step 4: Simplify right side
    1,090,311.36x = 1,170,324,868,787.71
  5. Step 5: Solve for x
    x = 1,170,324,868,787.71/1,090,311.36
  6. Step 6: Final answer
    x = 1,073,385.93

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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.