Home / 1,042,308.54-1,438,372.08-589,599.54

Finding the Fourth Proportional to 1,042,308.54, 1,438,372.08 and 589,599.54

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Solution

The fourth proportional to 1,042,308.54, 1,438,372.08 and 589,599.54 is: 813,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,308.54 : 1,438,372.08 = 589,599.54 : x
  2. Step 2: Convert to fraction form
    1,042,308.54/1,438,372.08 = 589,599.54/x
  3. Step 3: Cross multiply
    1,042,308.54x = 1,438,372.08 × 589,599.54
  4. Step 4: Simplify right side
    1,042,308.54x = 848,063,516,716.84
  5. Step 5: Solve for x
    x = 848,063,516,716.84/1,042,308.54
  6. Step 6: Final answer
    x = 813,639.61

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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.