Home / 1,143,186.75-1,714,780.86-290,322.36

Finding the Fourth Proportional to 1,143,186.75, 1,714,780.86 and 290,322.36

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Solution

The fourth proportional to 1,143,186.75, 1,714,780.86 and 290,322.36 is: 435,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,186.75 : 1,714,780.86 = 290,322.36 : x
  2. Step 2: Convert to fraction form
    1,143,186.75/1,714,780.86 = 290,322.36/x
  3. Step 3: Cross multiply
    1,143,186.75x = 1,714,780.86 × 290,322.36
  4. Step 4: Simplify right side
    1,143,186.75x = 497,839,217,584.13
  5. Step 5: Solve for x
    x = 497,839,217,584.13/1,143,186.75
  6. Step 6: Final answer
    x = 435,483.72

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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.