Home / 1,355,562.24-1,870,899.84-752,144.64

Finding the Fourth Proportional to 1,355,562.24, 1,870,899.84 and 752,144.64

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Solution

The fourth proportional to 1,355,562.24, 1,870,899.84 and 752,144.64 is: 1,038,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,562.24 : 1,870,899.84 = 752,144.64 : x
  2. Step 2: Convert to fraction form
    1,355,562.24/1,870,899.84 = 752,144.64/x
  3. Step 3: Cross multiply
    1,355,562.24x = 1,870,899.84 × 752,144.64
  4. Step 4: Simplify right side
    1,355,562.24x = 1,407,187,286,632.86
  5. Step 5: Solve for x
    x = 1,407,187,286,632.86/1,355,562.24
  6. Step 6: Final answer
    x = 1,038,083.86

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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.