Home / 1,422,891.81-2,134,341.36-581,443.56

Finding the Fourth Proportional to 1,422,891.81, 2,134,341.36 and 581,443.56

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Solution

The fourth proportional to 1,422,891.81, 2,134,341.36 and 581,443.56 is: 872,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,891.81 : 2,134,341.36 = 581,443.56 : x
  2. Step 2: Convert to fraction form
    1,422,891.81/2,134,341.36 = 581,443.56/x
  3. Step 3: Cross multiply
    1,422,891.81x = 2,134,341.36 × 581,443.56
  4. Step 4: Simplify right side
    1,422,891.81x = 1,240,999,038,613.64
  5. Step 5: Solve for x
    x = 1,240,999,038,613.64/1,422,891.81
  6. Step 6: Final answer
    x = 872,166.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.