Home / 1,019,817.47-1,407,350.94-560,979.07

Finding the Fourth Proportional to 1,019,817.47, 1,407,350.94 and 560,979.07

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Solution

The fourth proportional to 1,019,817.47, 1,407,350.94 and 560,979.07 is: 774,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,817.47 : 1,407,350.94 = 560,979.07 : x
  2. Step 2: Convert to fraction form
    1,019,817.47/1,407,350.94 = 560,979.07/x
  3. Step 3: Cross multiply
    1,019,817.47x = 1,407,350.94 × 560,979.07
  4. Step 4: Simplify right side
    1,019,817.47x = 789,494,415,862.78
  5. Step 5: Solve for x
    x = 789,494,415,862.78/1,019,817.47
  6. Step 6: Final answer
    x = 774,152.67

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1.5x scale

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.