Home / 1,444,038.12-1,993,296.06-840,426.12

Finding the Fourth Proportional to 1,444,038.12, 1,993,296.06 and 840,426.12

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Solution

The fourth proportional to 1,444,038.12, 1,993,296.06 and 840,426.12 is: 1,160,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,038.12 : 1,993,296.06 = 840,426.12 : x
  2. Step 2: Convert to fraction form
    1,444,038.12/1,993,296.06 = 840,426.12/x
  3. Step 3: Cross multiply
    1,444,038.12x = 1,993,296.06 × 840,426.12
  4. Step 4: Simplify right side
    1,444,038.12x = 1,675,218,073,717.09
  5. Step 5: Solve for x
    x = 1,675,218,073,717.09/1,444,038.12
  6. Step 6: Final answer
    x = 1,160,092.69

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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.