Home / 875,429.60-1,313,144.40-749,458.40

Finding the Fourth Proportional to 875,429.60, 1,313,144.40 and 749,458.40

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Solution

The fourth proportional to 875,429.60, 1,313,144.40 and 749,458.40 is: 1,124,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,429.60 : 1,313,144.40 = 749,458.40 : x
  2. Step 2: Convert to fraction form
    875,429.60/1,313,144.40 = 749,458.40/x
  3. Step 3: Cross multiply
    875,429.60x = 1,313,144.40 × 749,458.40
  4. Step 4: Simplify right side
    875,429.60x = 984,147,100,992.96
  5. Step 5: Solve for x
    x = 984,147,100,992.96/875,429.60
  6. Step 6: Final answer
    x = 1,124,187.60

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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.