Home / 1,368,780.80-2,053,132.80-620,825.60

Finding the Fourth Proportional to 1,368,780.80, 2,053,132.80 and 620,825.60

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Solution

The fourth proportional to 1,368,780.80, 2,053,132.80 and 620,825.60 is: 931,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,780.80 : 2,053,132.80 = 620,825.60 : x
  2. Step 2: Convert to fraction form
    1,368,780.80/2,053,132.80 = 620,825.60/x
  3. Step 3: Cross multiply
    1,368,780.80x = 2,053,132.80 × 620,825.60
  4. Step 4: Simplify right side
    1,368,780.80x = 1,274,637,402,439.68
  5. Step 5: Solve for x
    x = 1,274,637,402,439.68/1,368,780.80
  6. Step 6: Final answer
    x = 931,220.98

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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.