Home / 792,128.18-1,188,192.27-705,036.98

Finding the Fourth Proportional to 792,128.18, 1,188,192.27 and 705,036.98

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Solution

The fourth proportional to 792,128.18, 1,188,192.27 and 705,036.98 is: 1,057,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,128.18 : 1,188,192.27 = 705,036.98 : x
  2. Step 2: Convert to fraction form
    792,128.18/1,188,192.27 = 705,036.98/x
  3. Step 3: Cross multiply
    792,128.18x = 1,188,192.27 × 705,036.98
  4. Step 4: Simplify right side
    792,128.18x = 837,719,483,759.18
  5. Step 5: Solve for x
    x = 837,719,483,759.18/792,128.18
  6. Step 6: Final answer
    x = 1,057,555.47

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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.