Home / 1,703,906.64-2,351,312.01-978,243.57

Finding the Fourth Proportional to 1,703,906.64, 2,351,312.01 and 978,243.57

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Solution

The fourth proportional to 1,703,906.64, 2,351,312.01 and 978,243.57 is: 1,349,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,906.64 : 2,351,312.01 = 978,243.57 : x
  2. Step 2: Convert to fraction form
    1,703,906.64/2,351,312.01 = 978,243.57/x
  3. Step 3: Cross multiply
    1,703,906.64x = 2,351,312.01 × 978,243.57
  4. Step 4: Simplify right side
    1,703,906.64x = 2,300,155,854,846.28
  5. Step 5: Solve for x
    x = 2,300,155,854,846.28/1,703,906.64
  6. Step 6: Final answer
    x = 1,349,930.68

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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.