Home / 1,011,707.70-1,517,647.41-412,709.46

Finding the Fourth Proportional to 1,011,707.70, 1,517,647.41 and 412,709.46

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Solution

The fourth proportional to 1,011,707.70, 1,517,647.41 and 412,709.46 is: 619,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,707.70 : 1,517,647.41 = 412,709.46 : x
  2. Step 2: Convert to fraction form
    1,011,707.70/1,517,647.41 = 412,709.46/x
  3. Step 3: Cross multiply
    1,011,707.70x = 1,517,647.41 × 412,709.46
  4. Step 4: Simplify right side
    1,011,707.70x = 626,347,443,051.50
  5. Step 5: Solve for x
    x = 626,347,443,051.50/1,011,707.70
  6. Step 6: Final answer
    x = 619,099.22

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1.5x scale

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.