Home / 1,670,721.54-2,305,597.95-906,775.17

Finding the Fourth Proportional to 1,670,721.54, 2,305,597.95 and 906,775.17

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Solution

The fourth proportional to 1,670,721.54, 2,305,597.95 and 906,775.17 is: 1,251,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,721.54 : 2,305,597.95 = 906,775.17 : x
  2. Step 2: Convert to fraction form
    1,670,721.54/2,305,597.95 = 906,775.17/x
  3. Step 3: Cross multiply
    1,670,721.54x = 2,305,597.95 × 906,775.17
  4. Step 4: Simplify right side
    1,670,721.54x = 2,090,658,973,062.90
  5. Step 5: Solve for x
    x = 2,090,658,973,062.90/1,670,721.54
  6. Step 6: Final answer
    x = 1,251,350.94

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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.