Home / 1,688,285.52-2,532,118.86-457,317.18

Finding the Fourth Proportional to 1,688,285.52, 2,532,118.86 and 457,317.18

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Solution

The fourth proportional to 1,688,285.52, 2,532,118.86 and 457,317.18 is: 685,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,285.52 : 2,532,118.86 = 457,317.18 : x
  2. Step 2: Convert to fraction form
    1,688,285.52/2,532,118.86 = 457,317.18/x
  3. Step 3: Cross multiply
    1,688,285.52x = 2,532,118.86 × 457,317.18
  4. Step 4: Simplify right side
    1,688,285.52x = 1,157,981,456,480.01
  5. Step 5: Solve for x
    x = 1,157,981,456,480.01/1,688,285.52
  6. Step 6: Final answer
    x = 685,891.96

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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.