Home / 1,355,674.56-1,870,990.56-752,101.44

Finding the Fourth Proportional to 1,355,674.56, 1,870,990.56 and 752,101.44

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Solution

The fourth proportional to 1,355,674.56, 1,870,990.56 and 752,101.44 is: 1,037,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,674.56 : 1,870,990.56 = 752,101.44 : x
  2. Step 2: Convert to fraction form
    1,355,674.56/1,870,990.56 = 752,101.44/x
  3. Step 3: Cross multiply
    1,355,674.56x = 1,870,990.56 × 752,101.44
  4. Step 4: Simplify right side
    1,355,674.56x = 1,407,174,694,402.41
  5. Step 5: Solve for x
    x = 1,407,174,694,402.41/1,355,674.56
  6. Step 6: Final answer
    x = 1,037,988.57

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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.