Home / 1,339,372.11-2,009,045.93-540,087.63

Finding the Fourth Proportional to 1,339,372.11, 2,009,045.93 and 540,087.63

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Solution

The fourth proportional to 1,339,372.11, 2,009,045.93 and 540,087.63 is: 810,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,372.11 : 2,009,045.93 = 540,087.63 : x
  2. Step 2: Convert to fraction form
    1,339,372.11/2,009,045.93 = 540,087.63/x
  3. Step 3: Cross multiply
    1,339,372.11x = 2,009,045.93 × 540,087.63
  4. Step 4: Simplify right side
    1,339,372.11x = 1,085,060,852,194.41
  5. Step 5: Solve for x
    x = 1,085,060,852,194.41/1,339,372.11
  6. Step 6: Final answer
    x = 810,126.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.