Home / 1,107,128.40-1,659,647.70-600,943.20

Finding the Fourth Proportional to 1,107,128.40, 1,659,647.70 and 600,943.20

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Solution

The fourth proportional to 1,107,128.40, 1,659,647.70 and 600,943.20 is: 900,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,128.40 : 1,659,647.70 = 600,943.20 : x
  2. Step 2: Convert to fraction form
    1,107,128.40/1,659,647.70 = 600,943.20/x
  3. Step 3: Cross multiply
    1,107,128.40x = 1,659,647.70 × 600,943.20
  4. Step 4: Simplify right side
    1,107,128.40x = 997,353,999,710.64
  5. Step 5: Solve for x
    x = 997,353,999,710.64/1,107,128.40
  6. Step 6: Final answer
    x = 900,847.63

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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.