Home / 1,120,994.32-1,681,444.44-521,749.36

Finding the Fourth Proportional to 1,120,994.32, 1,681,444.44 and 521,749.36

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Solution

The fourth proportional to 1,120,994.32, 1,681,444.44 and 521,749.36 is: 782,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,994.32 : 1,681,444.44 = 521,749.36 : x
  2. Step 2: Convert to fraction form
    1,120,994.32/1,681,444.44 = 521,749.36/x
  3. Step 3: Cross multiply
    1,120,994.32x = 1,681,444.44 × 521,749.36
  4. Step 4: Simplify right side
    1,120,994.32x = 877,292,560,445.56
  5. Step 5: Solve for x
    x = 877,292,560,445.56/1,120,994.32
  6. Step 6: Final answer
    x = 782,602.15

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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.