Home / 1,581,279.48-2,369,435.43-1,222,329.87

Finding the Fourth Proportional to 1,581,279.48, 2,369,435.43 and 1,222,329.87

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Solution

The fourth proportional to 1,581,279.48, 2,369,435.43 and 1,222,329.87 is: 1,831,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,279.48 : 2,369,435.43 = 1,222,329.87 : x
  2. Step 2: Convert to fraction form
    1,581,279.48/2,369,435.43 = 1,222,329.87/x
  3. Step 3: Cross multiply
    1,581,279.48x = 2,369,435.43 × 1,222,329.87
  4. Step 4: Simplify right side
    1,581,279.48x = 2,896,231,701,125.29
  5. Step 5: Solve for x
    x = 2,896,231,701,125.29/1,581,279.48
  6. Step 6: Final answer
    x = 1,831,574.83

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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.