Home / 1,113,894.12-1,538,427.70-752,809.50

Finding the Fourth Proportional to 1,113,894.12, 1,538,427.70 and 752,809.50

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Solution

The fourth proportional to 1,113,894.12, 1,538,427.70 and 752,809.50 is: 1,039,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,894.12 : 1,538,427.70 = 752,809.50 : x
  2. Step 2: Convert to fraction form
    1,113,894.12/1,538,427.70 = 752,809.50/x
  3. Step 3: Cross multiply
    1,113,894.12x = 1,538,427.70 × 752,809.50
  4. Step 4: Simplify right side
    1,113,894.12x = 1,158,142,987,623.15
  5. Step 5: Solve for x
    x = 1,158,142,987,623.15/1,113,894.12
  6. Step 6: Final answer
    x = 1,039,724.48

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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.