Home / 1,552,278.61-2,142,214.89-863,994.40

Finding the Fourth Proportional to 1,552,278.61, 2,142,214.89 and 863,994.40

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Solution

The fourth proportional to 1,552,278.61, 2,142,214.89 and 863,994.40 is: 1,192,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,278.61 : 2,142,214.89 = 863,994.40 : x
  2. Step 2: Convert to fraction form
    1,552,278.61/2,142,214.89 = 863,994.40/x
  3. Step 3: Cross multiply
    1,552,278.61x = 2,142,214.89 × 863,994.40
  4. Step 4: Simplify right side
    1,552,278.61x = 1,850,861,668,556.62
  5. Step 5: Solve for x
    x = 1,850,861,668,556.62/1,552,278.61
  6. Step 6: Final answer
    x = 1,192,351.46

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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.