Home / 1,318,854.40-1,820,019.07-745,882.27

Finding the Fourth Proportional to 1,318,854.40, 1,820,019.07 and 745,882.27

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Solution

The fourth proportional to 1,318,854.40, 1,820,019.07 and 745,882.27 is: 1,029,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,854.40 : 1,820,019.07 = 745,882.27 : x
  2. Step 2: Convert to fraction form
    1,318,854.40/1,820,019.07 = 745,882.27/x
  3. Step 3: Cross multiply
    1,318,854.40x = 1,820,019.07 × 745,882.27
  4. Step 4: Simplify right side
    1,318,854.40x = 1,357,519,951,757.19
  5. Step 5: Solve for x
    x = 1,357,519,951,757.19/1,318,854.40
  6. Step 6: Final answer
    x = 1,029,317.53

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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.