Home / 1,218,486.24-1,681,510.80-681,942.24

Finding the Fourth Proportional to 1,218,486.24, 1,681,510.80 and 681,942.24

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Solution

The fourth proportional to 1,218,486.24, 1,681,510.80 and 681,942.24 is: 941,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,486.24 : 1,681,510.80 = 681,942.24 : x
  2. Step 2: Convert to fraction form
    1,218,486.24/1,681,510.80 = 681,942.24/x
  3. Step 3: Cross multiply
    1,218,486.24x = 1,681,510.80 × 681,942.24
  4. Step 4: Simplify right side
    1,218,486.24x = 1,146,693,241,536.19
  5. Step 5: Solve for x
    x = 1,146,693,241,536.19/1,218,486.24
  6. Step 6: Final answer
    x = 941,080.17

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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.