Home / 1,087,710.40-1,630,010.40-801,164.80

Finding the Fourth Proportional to 1,087,710.40, 1,630,010.40 and 801,164.80

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Solution

The fourth proportional to 1,087,710.40, 1,630,010.40 and 801,164.80 is: 1,200,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,710.40 : 1,630,010.40 = 801,164.80 : x
  2. Step 2: Convert to fraction form
    1,087,710.40/1,630,010.40 = 801,164.80/x
  3. Step 3: Cross multiply
    1,087,710.40x = 1,630,010.40 × 801,164.80
  4. Step 4: Simplify right side
    1,087,710.40x = 1,305,906,956,113.92
  5. Step 5: Solve for x
    x = 1,305,906,956,113.92/1,087,710.40
  6. Step 6: Final answer
    x = 1,200,601.70

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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.