Home / 1,181,036-1,629,917.28-671,902.40

Finding the Fourth Proportional to 1,181,036, 1,629,917.28 and 671,902.40

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Solution

The fourth proportional to 1,181,036, 1,629,917.28 and 671,902.40 is: 927,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,036 : 1,629,917.28 = 671,902.40 : x
  2. Step 2: Convert to fraction form
    1,181,036/1,629,917.28 = 671,902.40/x
  3. Step 3: Cross multiply
    1,181,036x = 1,629,917.28 × 671,902.40
  4. Step 4: Simplify right side
    1,181,036x = 1,095,145,332,233.47
  5. Step 5: Solve for x
    x = 1,095,145,332,233.47/1,181,036
  6. Step 6: Final answer
    x = 927,275.15

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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.