Home / 1,428,966.23-1,971,976.20-848,305.82

Finding the Fourth Proportional to 1,428,966.23, 1,971,976.20 and 848,305.82

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Solution

The fourth proportional to 1,428,966.23, 1,971,976.20 and 848,305.82 is: 1,170,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,966.23 : 1,971,976.20 = 848,305.82 : x
  2. Step 2: Convert to fraction form
    1,428,966.23/1,971,976.20 = 848,305.82/x
  3. Step 3: Cross multiply
    1,428,966.23x = 1,971,976.20 × 848,305.82
  4. Step 4: Simplify right side
    1,428,966.23x = 1,672,838,877,501.60
  5. Step 5: Solve for x
    x = 1,672,838,877,501.60/1,428,966.23
  6. Step 6: Final answer
    x = 1,170,663.69

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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.