Home / 1,071,378.03-1,478,519.64-587,988.15

Finding the Fourth Proportional to 1,071,378.03, 1,478,519.64 and 587,988.15

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Solution

The fourth proportional to 1,071,378.03, 1,478,519.64 and 587,988.15 is: 811,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,378.03 : 1,478,519.64 = 587,988.15 : x
  2. Step 2: Convert to fraction form
    1,071,378.03/1,478,519.64 = 587,988.15/x
  3. Step 3: Cross multiply
    1,071,378.03x = 1,478,519.64 × 587,988.15
  4. Step 4: Simplify right side
    1,071,378.03x = 869,352,027,862.27
  5. Step 5: Solve for x
    x = 869,352,027,862.27/1,071,378.03
  6. Step 6: Final answer
    x = 811,433.51

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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.