Home / 1,117,902-1,542,708.42-608,608.02

Finding the Fourth Proportional to 1,117,902, 1,542,708.42 and 608,608.02

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Solution

The fourth proportional to 1,117,902, 1,542,708.42 and 608,608.02 is: 839,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,902 : 1,542,708.42 = 608,608.02 : x
  2. Step 2: Convert to fraction form
    1,117,902/1,542,708.42 = 608,608.02/x
  3. Step 3: Cross multiply
    1,117,902x = 1,542,708.42 × 608,608.02
  4. Step 4: Simplify right side
    1,117,902x = 938,904,716,933.53
  5. Step 5: Solve for x
    x = 938,904,716,933.53/1,117,902
  6. Step 6: Final answer
    x = 839,881.06

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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.