Home / 1,328,969.40-1,833,859.49-740,223.77

Finding the Fourth Proportional to 1,328,969.40, 1,833,859.49 and 740,223.77

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Solution

The fourth proportional to 1,328,969.40, 1,833,859.49 and 740,223.77 is: 1,021,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,969.40 : 1,833,859.49 = 740,223.77 : x
  2. Step 2: Convert to fraction form
    1,328,969.40/1,833,859.49 = 740,223.77/x
  3. Step 3: Cross multiply
    1,328,969.40x = 1,833,859.49 × 740,223.77
  4. Step 4: Simplify right side
    1,328,969.40x = 1,357,466,372,467.66
  5. Step 5: Solve for x
    x = 1,357,466,372,467.66/1,328,969.40
  6. Step 6: Final answer
    x = 1,021,442.91

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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.