Home / 1,755,253.30-2,632,879.95-689,746.90

Finding the Fourth Proportional to 1,755,253.30, 2,632,879.95 and 689,746.90

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Solution

The fourth proportional to 1,755,253.30, 2,632,879.95 and 689,746.90 is: 1,034,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,253.30 : 2,632,879.95 = 689,746.90 : x
  2. Step 2: Convert to fraction form
    1,755,253.30/2,632,879.95 = 689,746.90/x
  3. Step 3: Cross multiply
    1,755,253.30x = 2,632,879.95 × 689,746.90
  4. Step 4: Simplify right side
    1,755,253.30x = 1,816,020,783,584.66
  5. Step 5: Solve for x
    x = 1,816,020,783,584.66/1,755,253.30
  6. Step 6: Final answer
    x = 1,034,620.35

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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.