Home / 1,438,279.56-1,984,866.12-793,740.48

Finding the Fourth Proportional to 1,438,279.56, 1,984,866.12 and 793,740.48

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Solution

The fourth proportional to 1,438,279.56, 1,984,866.12 and 793,740.48 is: 1,095,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,279.56 : 1,984,866.12 = 793,740.48 : x
  2. Step 2: Convert to fraction form
    1,438,279.56/1,984,866.12 = 793,740.48/x
  3. Step 3: Cross multiply
    1,438,279.56x = 1,984,866.12 × 793,740.48
  4. Step 4: Simplify right side
    1,438,279.56x = 1,575,468,586,824.54
  5. Step 5: Solve for x
    x = 1,575,468,586,824.54/1,438,279.56
  6. Step 6: Final answer
    x = 1,095,384.12

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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.