Home / 1,421,755.62-2,132,633.40-475,126.32

Finding the Fourth Proportional to 1,421,755.62, 2,132,633.40 and 475,126.32

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Solution

The fourth proportional to 1,421,755.62, 2,132,633.40 and 475,126.32 is: 712,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,755.62 : 2,132,633.40 = 475,126.32 : x
  2. Step 2: Convert to fraction form
    1,421,755.62/2,132,633.40 = 475,126.32/x
  3. Step 3: Cross multiply
    1,421,755.62x = 2,132,633.40 × 475,126.32
  4. Step 4: Simplify right side
    1,421,755.62x = 1,013,270,259,251.09
  5. Step 5: Solve for x
    x = 1,013,270,259,251.09/1,421,755.62
  6. Step 6: Final answer
    x = 712,689.47

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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.