Home / 1,628,774.07-2,247,978.04-903,854.65

Finding the Fourth Proportional to 1,628,774.07, 2,247,978.04 and 903,854.65

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Solution

The fourth proportional to 1,628,774.07, 2,247,978.04 and 903,854.65 is: 1,247,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,774.07 : 2,247,978.04 = 903,854.65 : x
  2. Step 2: Convert to fraction form
    1,628,774.07/2,247,978.04 = 903,854.65/x
  3. Step 3: Cross multiply
    1,628,774.07x = 2,247,978.04 × 903,854.65
  4. Step 4: Simplify right side
    1,628,774.07x = 2,031,845,403,429.35
  5. Step 5: Solve for x
    x = 2,031,845,403,429.35/1,628,774.07
  6. Step 6: Final answer
    x = 1,247,469.15

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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.