Home / 1,555,830-2,334,138.84-433,899

Finding the Fourth Proportional to 1,555,830, 2,334,138.84 and 433,899

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Solution

The fourth proportional to 1,555,830, 2,334,138.84 and 433,899 is: 650,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,830 : 2,334,138.84 = 433,899 : x
  2. Step 2: Convert to fraction form
    1,555,830/2,334,138.84 = 433,899/x
  3. Step 3: Cross multiply
    1,555,830x = 2,334,138.84 × 433,899
  4. Step 4: Simplify right side
    1,555,830x = 1,012,780,508,537.16
  5. Step 5: Solve for x
    x = 1,012,780,508,537.16/1,555,830
  6. Step 6: Final answer
    x = 650,958.34

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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.