Home / 1,333,685.70-1,999,060.83-658,767.78

Finding the Fourth Proportional to 1,333,685.70, 1,999,060.83 and 658,767.78

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Solution

The fourth proportional to 1,333,685.70, 1,999,060.83 and 658,767.78 is: 987,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,685.70 : 1,999,060.83 = 658,767.78 : x
  2. Step 2: Convert to fraction form
    1,333,685.70/1,999,060.83 = 658,767.78/x
  3. Step 3: Cross multiply
    1,333,685.70x = 1,999,060.83 × 658,767.78
  4. Step 4: Simplify right side
    1,333,685.70x = 1,316,916,865,064.06
  5. Step 5: Solve for x
    x = 1,316,916,865,064.06/1,333,685.70
  6. Step 6: Final answer
    x = 987,426.70

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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.