Home / 1,455,759.72-2,009,097.90-875,170.80

Finding the Fourth Proportional to 1,455,759.72, 2,009,097.90 and 875,170.80

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Solution

The fourth proportional to 1,455,759.72, 2,009,097.90 and 875,170.80 is: 1,207,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,759.72 : 2,009,097.90 = 875,170.80 : x
  2. Step 2: Convert to fraction form
    1,455,759.72/2,009,097.90 = 875,170.80/x
  3. Step 3: Cross multiply
    1,455,759.72x = 2,009,097.90 × 875,170.80
  4. Step 4: Simplify right side
    1,455,759.72x = 1,758,303,816,421.32
  5. Step 5: Solve for x
    x = 1,758,303,816,421.32/1,455,759.72
  6. Step 6: Final answer
    x = 1,207,825.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.