Home / 1,209,664.62-1,669,337.09-658,384.28

Finding the Fourth Proportional to 1,209,664.62, 1,669,337.09 and 658,384.28

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Solution

The fourth proportional to 1,209,664.62, 1,669,337.09 and 658,384.28 is: 908,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,664.62 : 1,669,337.09 = 658,384.28 : x
  2. Step 2: Convert to fraction form
    1,209,664.62/1,669,337.09 = 658,384.28/x
  3. Step 3: Cross multiply
    1,209,664.62x = 1,669,337.09 × 658,384.28
  4. Step 4: Simplify right side
    1,209,664.62x = 1,099,065,297,062.83
  5. Step 5: Solve for x
    x = 1,099,065,297,062.83/1,209,664.62
  6. Step 6: Final answer
    x = 908,570.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.