Home / 1,108,548.84-1,662,084.76-398,484.60

Finding the Fourth Proportional to 1,108,548.84, 1,662,084.76 and 398,484.60

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Solution

The fourth proportional to 1,108,548.84, 1,662,084.76 and 398,484.60 is: 597,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,548.84 : 1,662,084.76 = 398,484.60 : x
  2. Step 2: Convert to fraction form
    1,108,548.84/1,662,084.76 = 398,484.60/x
  3. Step 3: Cross multiply
    1,108,548.84x = 1,662,084.76 × 398,484.60
  4. Step 4: Simplify right side
    1,108,548.84x = 662,315,180,754.70
  5. Step 5: Solve for x
    x = 662,315,180,754.70/1,108,548.84
  6. Step 6: Final answer
    x = 597,461.44

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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.