Home / 1,071,697.50-1,607,064.57-770,917.50

Finding the Fourth Proportional to 1,071,697.50, 1,607,064.57 and 770,917.50

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Solution

The fourth proportional to 1,071,697.50, 1,607,064.57 and 770,917.50 is: 1,156,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,697.50 : 1,607,064.57 = 770,917.50 : x
  2. Step 2: Convert to fraction form
    1,071,697.50/1,607,064.57 = 770,917.50/x
  3. Step 3: Cross multiply
    1,071,697.50x = 1,607,064.57 × 770,917.50
  4. Step 4: Simplify right side
    1,071,697.50x = 1,238,914,200,642.98
  5. Step 5: Solve for x
    x = 1,238,914,200,642.98/1,071,697.50
  6. Step 6: Final answer
    x = 1,156,029.76

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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.