Home / 1,098,548.10-1,647,822.15-389,376.90

Finding the Fourth Proportional to 1,098,548.10, 1,647,822.15 and 389,376.90

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Solution

The fourth proportional to 1,098,548.10, 1,647,822.15 and 389,376.90 is: 584,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,548.10 : 1,647,822.15 = 389,376.90 : x
  2. Step 2: Convert to fraction form
    1,098,548.10/1,647,822.15 = 389,376.90/x
  3. Step 3: Cross multiply
    1,098,548.10x = 1,647,822.15 × 389,376.90
  4. Step 4: Simplify right side
    1,098,548.10x = 641,623,880,518.34
  5. Step 5: Solve for x
    x = 641,623,880,518.34/1,098,548.10
  6. Step 6: Final answer
    x = 584,065.35

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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.