Home / 1,680,513.48-2,519,478.20-870,029.06

Finding the Fourth Proportional to 1,680,513.48, 2,519,478.20 and 870,029.06

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Solution

The fourth proportional to 1,680,513.48, 2,519,478.20 and 870,029.06 is: 1,304,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,513.48 : 2,519,478.20 = 870,029.06 : x
  2. Step 2: Convert to fraction form
    1,680,513.48/2,519,478.20 = 870,029.06/x
  3. Step 3: Cross multiply
    1,680,513.48x = 2,519,478.20 × 870,029.06
  4. Step 4: Simplify right side
    1,680,513.48x = 2,192,019,233,088.96
  5. Step 5: Solve for x
    x = 2,192,019,233,088.96/1,680,513.48
  6. Step 6: Final answer
    x = 1,304,374.68

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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.