Home / 1,126,702.86-1,554,887.79-617,400.78

Finding the Fourth Proportional to 1,126,702.86, 1,554,887.79 and 617,400.78

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Solution

The fourth proportional to 1,126,702.86, 1,554,887.79 and 617,400.78 is: 852,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,702.86 : 1,554,887.79 = 617,400.78 : x
  2. Step 2: Convert to fraction form
    1,126,702.86/1,554,887.79 = 617,400.78/x
  3. Step 3: Cross multiply
    1,126,702.86x = 1,554,887.79 × 617,400.78
  4. Step 4: Simplify right side
    1,126,702.86x = 959,988,934,358.48
  5. Step 5: Solve for x
    x = 959,988,934,358.48/1,126,702.86
  6. Step 6: Final answer
    x = 852,033.81

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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.