Home / 1,039,290.65-1,434,205.94-580,400.37

Finding the Fourth Proportional to 1,039,290.65, 1,434,205.94 and 580,400.37

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Solution

The fourth proportional to 1,039,290.65, 1,434,205.94 and 580,400.37 is: 800,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,290.65 : 1,434,205.94 = 580,400.37 : x
  2. Step 2: Convert to fraction form
    1,039,290.65/1,434,205.94 = 580,400.37/x
  3. Step 3: Cross multiply
    1,039,290.65x = 1,434,205.94 × 580,400.37
  4. Step 4: Simplify right side
    1,039,290.65x = 832,413,655,330.20
  5. Step 5: Solve for x
    x = 832,413,655,330.20/1,039,290.65
  6. Step 6: Final answer
    x = 800,944.05

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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.