Home / 1,422,145.60-2,133,525.60-424,974.40

Finding the Fourth Proportional to 1,422,145.60, 2,133,525.60 and 424,974.40

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Solution

The fourth proportional to 1,422,145.60, 2,133,525.60 and 424,974.40 is: 637,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,145.60 : 2,133,525.60 = 424,974.40 : x
  2. Step 2: Convert to fraction form
    1,422,145.60/2,133,525.60 = 424,974.40/x
  3. Step 3: Cross multiply
    1,422,145.60x = 2,133,525.60 × 424,974.40
  4. Step 4: Simplify right side
    1,422,145.60x = 906,693,761,744.64
  5. Step 5: Solve for x
    x = 906,693,761,744.64/1,422,145.60
  6. Step 6: Final answer
    x = 637,553.40

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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.