Home / 1,419,564.80-2,128,569.60-577,164.80

Finding the Fourth Proportional to 1,419,564.80, 2,128,569.60 and 577,164.80

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Solution

The fourth proportional to 1,419,564.80, 2,128,569.60 and 577,164.80 is: 865,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,564.80 : 2,128,569.60 = 577,164.80 : x
  2. Step 2: Convert to fraction form
    1,419,564.80/2,128,569.60 = 577,164.80/x
  3. Step 3: Cross multiply
    1,419,564.80x = 2,128,569.60 × 577,164.80
  4. Step 4: Simplify right side
    1,419,564.80x = 1,228,535,447,470.08
  5. Step 5: Solve for x
    x = 1,228,535,447,470.08/1,419,564.80
  6. Step 6: Final answer
    x = 865,431.04

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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.