Home / 1,499,701.50-2,069,588.07-820,638

Finding the Fourth Proportional to 1,499,701.50, 2,069,588.07 and 820,638

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Solution

The fourth proportional to 1,499,701.50, 2,069,588.07 and 820,638 is: 1,132,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,701.50 : 2,069,588.07 = 820,638 : x
  2. Step 2: Convert to fraction form
    1,499,701.50/2,069,588.07 = 820,638/x
  3. Step 3: Cross multiply
    1,499,701.50x = 2,069,588.07 × 820,638
  4. Step 4: Simplify right side
    1,499,701.50x = 1,698,382,614,588.66
  5. Step 5: Solve for x
    x = 1,698,382,614,588.66/1,499,701.50
  6. Step 6: Final answer
    x = 1,132,480.44

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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.