Home / 1,320,002.94-1,821,343.95-803,618.22

Finding the Fourth Proportional to 1,320,002.94, 1,821,343.95 and 803,618.22

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Solution

The fourth proportional to 1,320,002.94, 1,821,343.95 and 803,618.22 is: 1,108,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,002.94 : 1,821,343.95 = 803,618.22 : x
  2. Step 2: Convert to fraction form
    1,320,002.94/1,821,343.95 = 803,618.22/x
  3. Step 3: Cross multiply
    1,320,002.94x = 1,821,343.95 × 803,618.22
  4. Step 4: Simplify right side
    1,320,002.94x = 1,463,665,183,106.77
  5. Step 5: Solve for x
    x = 1,463,665,183,106.77/1,320,002.94
  6. Step 6: Final answer
    x = 1,108,834.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.