Home / 1,520,031.19-2,278,759.03-666,455.96

Finding the Fourth Proportional to 1,520,031.19, 2,278,759.03 and 666,455.96

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Solution

The fourth proportional to 1,520,031.19, 2,278,759.03 and 666,455.96 is: 999,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,031.19 : 2,278,759.03 = 666,455.96 : x
  2. Step 2: Convert to fraction form
    1,520,031.19/2,278,759.03 = 666,455.96/x
  3. Step 3: Cross multiply
    1,520,031.19x = 2,278,759.03 × 666,455.96
  4. Step 4: Simplify right side
    1,520,031.19x = 1,518,692,536,947.32
  5. Step 5: Solve for x
    x = 1,518,692,536,947.32/1,520,031.19
  6. Step 6: Final answer
    x = 999,119.33

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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.