Home / 1,106,721.54-1,658,899.71-790,218.90

Finding the Fourth Proportional to 1,106,721.54, 1,658,899.71 and 790,218.90

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Solution

The fourth proportional to 1,106,721.54, 1,658,899.71 and 790,218.90 is: 1,184,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,721.54 : 1,658,899.71 = 790,218.90 : x
  2. Step 2: Convert to fraction form
    1,106,721.54/1,658,899.71 = 790,218.90/x
  3. Step 3: Cross multiply
    1,106,721.54x = 1,658,899.71 × 790,218.90
  4. Step 4: Simplify right side
    1,106,721.54x = 1,310,893,904,046.52
  5. Step 5: Solve for x
    x = 1,310,893,904,046.52/1,106,721.54
  6. Step 6: Final answer
    x = 1,184,483.95

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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.