Home / 1,821,500.28-2,732,381.58-699,569.28

Finding the Fourth Proportional to 1,821,500.28, 2,732,381.58 and 699,569.28

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Solution

The fourth proportional to 1,821,500.28, 2,732,381.58 and 699,569.28 is: 1,049,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,500.28 : 2,732,381.58 = 699,569.28 : x
  2. Step 2: Convert to fraction form
    1,821,500.28/2,732,381.58 = 699,569.28/x
  3. Step 3: Cross multiply
    1,821,500.28x = 2,732,381.58 × 699,569.28
  4. Step 4: Simplify right side
    1,821,500.28x = 1,911,490,214,605.86
  5. Step 5: Solve for x
    x = 1,911,490,214,605.86/1,821,500.28
  6. Step 6: Final answer
    x = 1,049,404.29

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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.