Home / 1,404,965.07-2,107,210.28-393,855.03

Finding the Fourth Proportional to 1,404,965.07, 2,107,210.28 and 393,855.03

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Solution

The fourth proportional to 1,404,965.07, 2,107,210.28 and 393,855.03 is: 590,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,965.07 : 2,107,210.28 = 393,855.03 : x
  2. Step 2: Convert to fraction form
    1,404,965.07/2,107,210.28 = 393,855.03/x
  3. Step 3: Cross multiply
    1,404,965.07x = 2,107,210.28 × 393,855.03
  4. Step 4: Simplify right side
    1,404,965.07x = 829,935,366,076.43
  5. Step 5: Solve for x
    x = 829,935,366,076.43/1,404,965.07
  6. Step 6: Final answer
    x = 590,716.01

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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.