Home / 1,505,837.61-2,077,286.15-961,401.38

Finding the Fourth Proportional to 1,505,837.61, 2,077,286.15 and 961,401.38

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Solution

The fourth proportional to 1,505,837.61, 2,077,286.15 and 961,401.38 is: 1,326,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,837.61 : 2,077,286.15 = 961,401.38 : x
  2. Step 2: Convert to fraction form
    1,505,837.61/2,077,286.15 = 961,401.38/x
  3. Step 3: Cross multiply
    1,505,837.61x = 2,077,286.15 × 961,401.38
  4. Step 4: Simplify right side
    1,505,837.61x = 1,997,105,756,071.45
  5. Step 5: Solve for x
    x = 1,997,105,756,071.45/1,505,837.61
  6. Step 6: Final answer
    x = 1,326,242.45

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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.