Home / 1,328,969.92-1,833,779.84-748,108.16

Finding the Fourth Proportional to 1,328,969.92, 1,833,779.84 and 748,108.16

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Solution

The fourth proportional to 1,328,969.92, 1,833,779.84 and 748,108.16 is: 1,032,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,969.92 : 1,833,779.84 = 748,108.16 : x
  2. Step 2: Convert to fraction form
    1,328,969.92/1,833,779.84 = 748,108.16/x
  3. Step 3: Cross multiply
    1,328,969.92x = 1,833,779.84 × 748,108.16
  4. Step 4: Simplify right side
    1,328,969.92x = 1,371,865,661,947.49
  5. Step 5: Solve for x
    x = 1,371,865,661,947.49/1,328,969.92
  6. Step 6: Final answer
    x = 1,032,277.44

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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.