Home / 1,269,682.47-1,752,159.35-688,905.42

Finding the Fourth Proportional to 1,269,682.47, 1,752,159.35 and 688,905.42

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Solution

The fourth proportional to 1,269,682.47, 1,752,159.35 and 688,905.42 is: 950,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,682.47 : 1,752,159.35 = 688,905.42 : x
  2. Step 2: Convert to fraction form
    1,269,682.47/1,752,159.35 = 688,905.42/x
  3. Step 3: Cross multiply
    1,269,682.47x = 1,752,159.35 × 688,905.42
  4. Step 4: Simplify right side
    1,269,682.47x = 1,207,072,069,474.15
  5. Step 5: Solve for x
    x = 1,207,072,069,474.15/1,269,682.47
  6. Step 6: Final answer
    x = 950,688.14

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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.