Home / 1,112,449.12-1,668,840.22-402,643.24

Finding the Fourth Proportional to 1,112,449.12, 1,668,840.22 and 402,643.24

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Solution

The fourth proportional to 1,112,449.12, 1,668,840.22 and 402,643.24 is: 604,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,449.12 : 1,668,840.22 = 402,643.24 : x
  2. Step 2: Convert to fraction form
    1,112,449.12/1,668,840.22 = 402,643.24/x
  3. Step 3: Cross multiply
    1,112,449.12x = 1,668,840.22 × 402,643.24
  4. Step 4: Simplify right side
    1,112,449.12x = 671,947,222,865.70
  5. Step 5: Solve for x
    x = 671,947,222,865.70/1,112,449.12
  6. Step 6: Final answer
    x = 604,025.13

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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.