Home / 1,421,750.87-2,132,626.28-475,121.57

Finding the Fourth Proportional to 1,421,750.87, 2,132,626.28 and 475,121.57

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Solution

The fourth proportional to 1,421,750.87, 2,132,626.28 and 475,121.57 is: 712,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,750.87 : 2,132,626.28 = 475,121.57 : x
  2. Step 2: Convert to fraction form
    1,421,750.87/2,132,626.28 = 475,121.57/x
  3. Step 3: Cross multiply
    1,421,750.87x = 2,132,626.28 × 475,121.57
  4. Step 4: Simplify right side
    1,421,750.87x = 1,013,256,746,376.86
  5. Step 5: Solve for x
    x = 1,013,256,746,376.86/1,421,750.87
  6. Step 6: Final answer
    x = 712,682.35

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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.