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Finding the Fourth Proportional to 1,005,695, 1,509,490.43 and 366,616.69

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Solution

The fourth proportional to 1,005,695, 1,509,490.43 and 366,616.69 is: 550,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,695 : 1,509,490.43 = 366,616.69 : x
  2. Step 2: Convert to fraction form
    1,005,695/1,509,490.43 = 366,616.69/x
  3. Step 3: Cross multiply
    1,005,695x = 1,509,490.43 × 366,616.69
  4. Step 4: Simplify right side
    1,005,695x = 553,404,385,033.28
  5. Step 5: Solve for x
    x = 553,404,385,033.28/1,005,695
  6. Step 6: Final answer
    x = 550,270.59

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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.