Home / 1,628,513.96-2,440,279.89-870,463.31

Finding the Fourth Proportional to 1,628,513.96, 2,440,279.89 and 870,463.31

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Solution

The fourth proportional to 1,628,513.96, 2,440,279.89 and 870,463.31 is: 1,304,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,513.96 : 2,440,279.89 = 870,463.31 : x
  2. Step 2: Convert to fraction form
    1,628,513.96/2,440,279.89 = 870,463.31/x
  3. Step 3: Cross multiply
    1,628,513.96x = 2,440,279.89 × 870,463.31
  4. Step 4: Simplify right side
    1,628,513.96x = 2,124,174,098,174.44
  5. Step 5: Solve for x
    x = 2,124,174,098,174.44/1,628,513.96
  6. Step 6: Final answer
    x = 1,304,363.46

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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.