Home / 1,059,470.82-1,590,204.78-386,202.78

Finding the Fourth Proportional to 1,059,470.82, 1,590,204.78 and 386,202.78

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Solution

The fourth proportional to 1,059,470.82, 1,590,204.78 and 386,202.78 is: 579,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,470.82 : 1,590,204.78 = 386,202.78 : x
  2. Step 2: Convert to fraction form
    1,059,470.82/1,590,204.78 = 386,202.78/x
  3. Step 3: Cross multiply
    1,059,470.82x = 1,590,204.78 × 386,202.78
  4. Step 4: Simplify right side
    1,059,470.82x = 614,141,506,805.29
  5. Step 5: Solve for x
    x = 614,141,506,805.29/1,059,470.82
  6. Step 6: Final answer
    x = 579,668.17

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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.