Home / 1,071,725.67-1,478,983.53-636,230.36

Finding the Fourth Proportional to 1,071,725.67, 1,478,983.53 and 636,230.36

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Solution

The fourth proportional to 1,071,725.67, 1,478,983.53 and 636,230.36 is: 877,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,725.67 : 1,478,983.53 = 636,230.36 : x
  2. Step 2: Convert to fraction form
    1,071,725.67/1,478,983.53 = 636,230.36/x
  3. Step 3: Cross multiply
    1,071,725.67x = 1,478,983.53 × 636,230.36
  4. Step 4: Simplify right side
    1,071,725.67x = 940,974,223,725.97
  5. Step 5: Solve for x
    x = 940,974,223,725.97/1,071,725.67
  6. Step 6: Final answer
    x = 877,999.15

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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.