Home / 1,528,240.24-2,109,018.97-839,899.58

Finding the Fourth Proportional to 1,528,240.24, 2,109,018.97 and 839,899.58

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Solution

The fourth proportional to 1,528,240.24, 2,109,018.97 and 839,899.58 is: 1,159,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,240.24 : 2,109,018.97 = 839,899.58 : x
  2. Step 2: Convert to fraction form
    1,528,240.24/2,109,018.97 = 839,899.58/x
  3. Step 3: Cross multiply
    1,528,240.24x = 2,109,018.97 × 839,899.58
  4. Step 4: Simplify right side
    1,528,240.24x = 1,771,364,147,115.03
  5. Step 5: Solve for x
    x = 1,771,364,147,115.03/1,528,240.24
  6. Step 6: Final answer
    x = 1,159,087.49

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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.