Home / 1,448,411.40-2,172,617.10-909,097.20

Finding the Fourth Proportional to 1,448,411.40, 2,172,617.10 and 909,097.20

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Solution

The fourth proportional to 1,448,411.40, 2,172,617.10 and 909,097.20 is: 1,363,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,411.40 : 2,172,617.10 = 909,097.20 : x
  2. Step 2: Convert to fraction form
    1,448,411.40/2,172,617.10 = 909,097.20/x
  3. Step 3: Cross multiply
    1,448,411.40x = 2,172,617.10 × 909,097.20
  4. Step 4: Simplify right side
    1,448,411.40x = 1,975,120,122,282.12
  5. Step 5: Solve for x
    x = 1,975,120,122,282.12/1,448,411.40
  6. Step 6: Final answer
    x = 1,363,645.80

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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.