Home / 1,595,291.57-2,201,509.21-870,154.85

Finding the Fourth Proportional to 1,595,291.57, 2,201,509.21 and 870,154.85

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Solution

The fourth proportional to 1,595,291.57, 2,201,509.21 and 870,154.85 is: 1,200,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,291.57 : 2,201,509.21 = 870,154.85 : x
  2. Step 2: Convert to fraction form
    1,595,291.57/2,201,509.21 = 870,154.85/x
  3. Step 3: Cross multiply
    1,595,291.57x = 2,201,509.21 × 870,154.85
  4. Step 4: Simplify right side
    1,595,291.57x = 1,915,653,916,401.17
  5. Step 5: Solve for x
    x = 1,915,653,916,401.17/1,595,291.57
  6. Step 6: Final answer
    x = 1,200,817.43

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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.