Home / 1,448,790.79-2,172,300.44-690,864.07

Finding the Fourth Proportional to 1,448,790.79, 2,172,300.44 and 690,864.07

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Solution

The fourth proportional to 1,448,790.79, 2,172,300.44 and 690,864.07 is: 1,035,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,790.79 : 2,172,300.44 = 690,864.07 : x
  2. Step 2: Convert to fraction form
    1,448,790.79/2,172,300.44 = 690,864.07/x
  3. Step 3: Cross multiply
    1,448,790.79x = 2,172,300.44 × 690,864.07
  4. Step 4: Simplify right side
    1,448,790.79x = 1,500,764,323,241.19
  5. Step 5: Solve for x
    x = 1,500,764,323,241.19/1,448,790.79
  6. Step 6: Final answer
    x = 1,035,873.73

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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.