Home / 1,112,457.20-1,668,601.95-354,268.04

Finding the Fourth Proportional to 1,112,457.20, 1,668,601.95 and 354,268.04

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Solution

The fourth proportional to 1,112,457.20, 1,668,601.95 and 354,268.04 is: 531,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,457.20 : 1,668,601.95 = 354,268.04 : x
  2. Step 2: Convert to fraction form
    1,112,457.20/1,668,601.95 = 354,268.04/x
  3. Step 3: Cross multiply
    1,112,457.20x = 1,668,601.95 × 354,268.04
  4. Step 4: Simplify right side
    1,112,457.20x = 591,132,334,023.67
  5. Step 5: Solve for x
    x = 591,132,334,023.67/1,112,457.20
  6. Step 6: Final answer
    x = 531,375.35

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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.