Home / 1,507,290.54-2,080,060.47-828,270.78

Finding the Fourth Proportional to 1,507,290.54, 2,080,060.47 and 828,270.78

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Solution

The fourth proportional to 1,507,290.54, 2,080,060.47 and 828,270.78 is: 1,143,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,290.54 : 2,080,060.47 = 828,270.78 : x
  2. Step 2: Convert to fraction form
    1,507,290.54/2,080,060.47 = 828,270.78/x
  3. Step 3: Cross multiply
    1,507,290.54x = 2,080,060.47 × 828,270.78
  4. Step 4: Simplify right side
    1,507,290.54x = 1,722,853,307,934.07
  5. Step 5: Solve for x
    x = 1,722,853,307,934.07/1,507,290.54
  6. Step 6: Final answer
    x = 1,143,013.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.