Home / 1,087,169.51-1,629,523.85-553,563.38

Finding the Fourth Proportional to 1,087,169.51, 1,629,523.85 and 553,563.38

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Solution

The fourth proportional to 1,087,169.51, 1,629,523.85 and 553,563.38 is: 829,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,169.51 : 1,629,523.85 = 553,563.38 : x
  2. Step 2: Convert to fraction form
    1,087,169.51/1,629,523.85 = 553,563.38/x
  3. Step 3: Cross multiply
    1,087,169.51x = 1,629,523.85 × 553,563.38
  4. Step 4: Simplify right side
    1,087,169.51x = 902,044,731,502.61
  5. Step 5: Solve for x
    x = 902,044,731,502.61/1,087,169.51
  6. Step 6: Final answer
    x = 829,718.57

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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.