Home / 1,218,541.51-1,681,639.81-674,677.27

Finding the Fourth Proportional to 1,218,541.51, 1,681,639.81 and 674,677.27

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Solution

The fourth proportional to 1,218,541.51, 1,681,639.81 and 674,677.27 is: 931,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,541.51 : 1,681,639.81 = 674,677.27 : x
  2. Step 2: Convert to fraction form
    1,218,541.51/1,681,639.81 = 674,677.27/x
  3. Step 3: Cross multiply
    1,218,541.51x = 1,681,639.81 × 674,677.27
  4. Step 4: Simplify right side
    1,218,541.51x = 1,134,564,147,725.92
  5. Step 5: Solve for x
    x = 1,134,564,147,725.92/1,218,541.51
  6. Step 6: Final answer
    x = 931,083.71

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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.