Home / 1,377,428.80-2,062,060.80-1,024,009.60

Finding the Fourth Proportional to 1,377,428.80, 2,062,060.80 and 1,024,009.60

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Solution

The fourth proportional to 1,377,428.80, 2,062,060.80 and 1,024,009.60 is: 1,532,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,428.80 : 2,062,060.80 = 1,024,009.60 : x
  2. Step 2: Convert to fraction form
    1,377,428.80/2,062,060.80 = 1,024,009.60/x
  3. Step 3: Cross multiply
    1,377,428.80x = 2,062,060.80 × 1,024,009.60
  4. Step 4: Simplify right side
    1,377,428.80x = 2,111,570,054,983.68
  5. Step 5: Solve for x
    x = 2,111,570,054,983.68/1,377,428.80
  6. Step 6: Final answer
    x = 1,532,979.46

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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.