Home / 1,623,638.80-2,435,803.80-501,821.20

Finding the Fourth Proportional to 1,623,638.80, 2,435,803.80 and 501,821.20

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Solution

The fourth proportional to 1,623,638.80, 2,435,803.80 and 501,821.20 is: 752,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,638.80 : 2,435,803.80 = 501,821.20 : x
  2. Step 2: Convert to fraction form
    1,623,638.80/2,435,803.80 = 501,821.20/x
  3. Step 3: Cross multiply
    1,623,638.80x = 2,435,803.80 × 501,821.20
  4. Step 4: Simplify right side
    1,623,638.80x = 1,222,337,985,880.56
  5. Step 5: Solve for x
    x = 1,222,337,985,880.56/1,623,638.80
  6. Step 6: Final answer
    x = 752,838.62

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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.