Home / 1,098,889.90-1,647,022.65-459,192.40

Finding the Fourth Proportional to 1,098,889.90, 1,647,022.65 and 459,192.40

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Solution

The fourth proportional to 1,098,889.90, 1,647,022.65 and 459,192.40 is: 688,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,889.90 : 1,647,022.65 = 459,192.40 : x
  2. Step 2: Convert to fraction form
    1,098,889.90/1,647,022.65 = 459,192.40/x
  3. Step 3: Cross multiply
    1,098,889.90x = 1,647,022.65 × 459,192.40
  4. Step 4: Simplify right side
    1,098,889.90x = 756,300,283,507.86
  5. Step 5: Solve for x
    x = 756,300,283,507.86/1,098,889.90
  6. Step 6: Final answer
    x = 688,240.27

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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.