Home / 1,071,406.49-1,478,494.44-587,979.71

Finding the Fourth Proportional to 1,071,406.49, 1,478,494.44 and 587,979.71

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Solution

The fourth proportional to 1,071,406.49, 1,478,494.44 and 587,979.71 is: 811,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,406.49 : 1,478,494.44 = 587,979.71 : x
  2. Step 2: Convert to fraction form
    1,071,406.49/1,478,494.44 = 587,979.71/x
  3. Step 3: Cross multiply
    1,071,406.49x = 1,478,494.44 × 587,979.71
  4. Step 4: Simplify right side
    1,071,406.49x = 869,324,724,675.34
  5. Step 5: Solve for x
    x = 869,324,724,675.34/1,071,406.49
  6. Step 6: Final answer
    x = 811,386.47

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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.