Home / 1,106,723.54-1,658,902.71-790,220.90

Finding the Fourth Proportional to 1,106,723.54, 1,658,902.71 and 790,220.90

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Solution

The fourth proportional to 1,106,723.54, 1,658,902.71 and 790,220.90 is: 1,184,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,723.54 : 1,658,902.71 = 790,220.90 : x
  2. Step 2: Convert to fraction form
    1,106,723.54/1,658,902.71 = 790,220.90/x
  3. Step 3: Cross multiply
    1,106,723.54x = 1,658,902.71 × 790,220.90
  4. Step 4: Simplify right side
    1,106,723.54x = 1,310,899,592,508.64
  5. Step 5: Solve for x
    x = 1,310,899,592,508.64/1,106,723.54
  6. Step 6: Final answer
    x = 1,184,486.95

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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.