Home / 1,143,985.75-1,714,958.93-434,512.01

Finding the Fourth Proportional to 1,143,985.75, 1,714,958.93 and 434,512.01

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Solution

The fourth proportional to 1,143,985.75, 1,714,958.93 and 434,512.01 is: 651,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,985.75 : 1,714,958.93 = 434,512.01 : x
  2. Step 2: Convert to fraction form
    1,143,985.75/1,714,958.93 = 434,512.01/x
  3. Step 3: Cross multiply
    1,143,985.75x = 1,714,958.93 × 434,512.01
  4. Step 4: Simplify right side
    1,143,985.75x = 745,170,257,115.43
  5. Step 5: Solve for x
    x = 745,170,257,115.43/1,143,985.75
  6. Step 6: Final answer
    x = 651,380.72

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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.