Home / 1,670,780.54-2,305,678.84-906,834.26

Finding the Fourth Proportional to 1,670,780.54, 2,305,678.84 and 906,834.26

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Solution

The fourth proportional to 1,670,780.54, 2,305,678.84 and 906,834.26 is: 1,251,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,780.54 : 2,305,678.84 = 906,834.26 : x
  2. Step 2: Convert to fraction form
    1,670,780.54/2,305,678.84 = 906,834.26/x
  3. Step 3: Cross multiply
    1,670,780.54x = 2,305,678.84 × 906,834.26
  4. Step 4: Simplify right side
    1,670,780.54x = 2,090,868,553,140.66
  5. Step 5: Solve for x
    x = 2,090,868,553,140.66/1,670,780.54
  6. Step 6: Final answer
    x = 1,251,432.20

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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.