Home / 1,359,967.81-1,876,745.20-748,107.40

Finding the Fourth Proportional to 1,359,967.81, 1,876,745.20 and 748,107.40

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Solution

The fourth proportional to 1,359,967.81, 1,876,745.20 and 748,107.40 is: 1,032,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,967.81 : 1,876,745.20 = 748,107.40 : x
  2. Step 2: Convert to fraction form
    1,359,967.81/1,876,745.20 = 748,107.40/x
  3. Step 3: Cross multiply
    1,359,967.81x = 1,876,745.20 × 748,107.40
  4. Step 4: Simplify right side
    1,359,967.81x = 1,404,006,958,910.22
  5. Step 5: Solve for x
    x = 1,404,006,958,910.22/1,359,967.81
  6. Step 6: Final answer
    x = 1,032,382.50

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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.