Home / 1,205,305.52-1,807,958.28-939,265.18

Finding the Fourth Proportional to 1,205,305.52, 1,807,958.28 and 939,265.18

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Solution

The fourth proportional to 1,205,305.52, 1,807,958.28 and 939,265.18 is: 1,408,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,305.52 : 1,807,958.28 = 939,265.18 : x
  2. Step 2: Convert to fraction form
    1,205,305.52/1,807,958.28 = 939,265.18/x
  3. Step 3: Cross multiply
    1,205,305.52x = 1,807,958.28 × 939,265.18
  4. Step 4: Simplify right side
    1,205,305.52x = 1,698,152,259,296.69
  5. Step 5: Solve for x
    x = 1,698,152,259,296.69/1,205,305.52
  6. Step 6: Final answer
    x = 1,408,897.77

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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.