Home / 1,421,960.64-2,132,709.66-475,329.84

Finding the Fourth Proportional to 1,421,960.64, 2,132,709.66 and 475,329.84

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Solution

The fourth proportional to 1,421,960.64, 2,132,709.66 and 475,329.84 is: 712,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,960.64 : 2,132,709.66 = 475,329.84 : x
  2. Step 2: Convert to fraction form
    1,421,960.64/2,132,709.66 = 475,329.84/x
  3. Step 3: Cross multiply
    1,421,960.64x = 2,132,709.66 × 475,329.84
  4. Step 4: Simplify right side
    1,421,960.64x = 1,013,740,541,454.25
  5. Step 5: Solve for x
    x = 1,013,740,541,454.25/1,421,960.64
  6. Step 6: Final answer
    x = 712,917.44

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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.