Home / 1,421,679.88-2,132,629.74-475,053.88

Finding the Fourth Proportional to 1,421,679.88, 2,132,629.74 and 475,053.88

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Solution

The fourth proportional to 1,421,679.88, 2,132,629.74 and 475,053.88 is: 712,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,679.88 : 2,132,629.74 = 475,053.88 : x
  2. Step 2: Convert to fraction form
    1,421,679.88/2,132,629.74 = 475,053.88/x
  3. Step 3: Cross multiply
    1,421,679.88x = 2,132,629.74 × 475,053.88
  4. Step 4: Simplify right side
    1,421,679.88x = 1,013,114,032,590.39
  5. Step 5: Solve for x
    x = 1,013,114,032,590.39/1,421,679.88
  6. Step 6: Final answer
    x = 712,617.55

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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.