Home / 1,595,285.72-2,201,520.57-870,133.49

Finding the Fourth Proportional to 1,595,285.72, 2,201,520.57 and 870,133.49

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Solution

The fourth proportional to 1,595,285.72, 2,201,520.57 and 870,133.49 is: 1,200,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,285.72 : 2,201,520.57 = 870,133.49 : x
  2. Step 2: Convert to fraction form
    1,595,285.72/2,201,520.57 = 870,133.49/x
  3. Step 3: Cross multiply
    1,595,285.72x = 2,201,520.57 × 870,133.49
  4. Step 4: Simplify right side
    1,595,285.72x = 1,915,616,776,880.89
  5. Step 5: Solve for x
    x = 1,915,616,776,880.89/1,595,285.72
  6. Step 6: Final answer
    x = 1,200,798.55

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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.