Home / 1,260,079.47-1,889,780.13-461,365.20

Finding the Fourth Proportional to 1,260,079.47, 1,889,780.13 and 461,365.20

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Solution

The fourth proportional to 1,260,079.47, 1,889,780.13 and 461,365.20 is: 691,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,079.47 : 1,889,780.13 = 461,365.20 : x
  2. Step 2: Convert to fraction form
    1,260,079.47/1,889,780.13 = 461,365.20/x
  3. Step 3: Cross multiply
    1,260,079.47x = 1,889,780.13 × 461,365.20
  4. Step 4: Simplify right side
    1,260,079.47x = 871,878,787,633.48
  5. Step 5: Solve for x
    x = 871,878,787,633.48/1,260,079.47
  6. Step 6: Final answer
    x = 691,923.65

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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.