Home / 1,356,921.56-1,872,466.71-745,071.39

Finding the Fourth Proportional to 1,356,921.56, 1,872,466.71 and 745,071.39

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Solution

The fourth proportional to 1,356,921.56, 1,872,466.71 and 745,071.39 is: 1,028,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,921.56 : 1,872,466.71 = 745,071.39 : x
  2. Step 2: Convert to fraction form
    1,356,921.56/1,872,466.71 = 745,071.39/x
  3. Step 3: Cross multiply
    1,356,921.56x = 1,872,466.71 × 745,071.39
  4. Step 4: Simplify right side
    1,356,921.56x = 1,395,121,374,348.43
  5. Step 5: Solve for x
    x = 1,395,121,374,348.43/1,356,921.56
  6. Step 6: Final answer
    x = 1,028,151.83

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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.