Home / 1,098,901.90-1,647,040.65-459,204.40

Finding the Fourth Proportional to 1,098,901.90, 1,647,040.65 and 459,204.40

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Solution

The fourth proportional to 1,098,901.90, 1,647,040.65 and 459,204.40 is: 688,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,901.90 : 1,647,040.65 = 459,204.40 : x
  2. Step 2: Convert to fraction form
    1,098,901.90/1,647,040.65 = 459,204.40/x
  3. Step 3: Cross multiply
    1,098,901.90x = 1,647,040.65 × 459,204.40
  4. Step 4: Simplify right side
    1,098,901.90x = 756,328,313,458.86
  5. Step 5: Solve for x
    x = 756,328,313,458.86/1,098,901.90
  6. Step 6: Final answer
    x = 688,258.26

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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.