Home / 1,595,581.90-2,201,899.81-870,429.35

Finding the Fourth Proportional to 1,595,581.90, 2,201,899.81 and 870,429.35

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Solution

The fourth proportional to 1,595,581.90, 2,201,899.81 and 870,429.35 is: 1,201,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,581.90 : 2,201,899.81 = 870,429.35 : x
  2. Step 2: Convert to fraction form
    1,595,581.90/2,201,899.81 = 870,429.35/x
  3. Step 3: Cross multiply
    1,595,581.90x = 2,201,899.81 × 870,429.35
  4. Step 4: Simplify right side
    1,595,581.90x = 1,916,598,220,383.42
  5. Step 5: Solve for x
    x = 1,916,598,220,383.42/1,595,581.90
  6. Step 6: Final answer
    x = 1,201,190.75

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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.