Home / 1,358,668.36-1,871,721.78-950,005.56

Finding the Fourth Proportional to 1,358,668.36, 1,871,721.78 and 950,005.56

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Solution

The fourth proportional to 1,358,668.36, 1,871,721.78 and 950,005.56 is: 1,308,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,668.36 : 1,871,721.78 = 950,005.56 : x
  2. Step 2: Convert to fraction form
    1,358,668.36/1,871,721.78 = 950,005.56/x
  3. Step 3: Cross multiply
    1,358,668.36x = 1,871,721.78 × 950,005.56
  4. Step 4: Simplify right side
    1,358,668.36x = 1,778,146,097,773.10
  5. Step 5: Solve for x
    x = 1,778,146,097,773.10/1,358,668.36
  6. Step 6: Final answer
    x = 1,308,741.82

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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.