Home / 1,670,807.79-2,305,717.38-906,861.69

Finding the Fourth Proportional to 1,670,807.79, 2,305,717.38 and 906,861.69

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Solution

The fourth proportional to 1,670,807.79, 2,305,717.38 and 906,861.69 is: 1,251,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,807.79 : 2,305,717.38 = 906,861.69 : x
  2. Step 2: Convert to fraction form
    1,670,807.79/2,305,717.38 = 906,861.69/x
  3. Step 3: Cross multiply
    1,670,807.79x = 2,305,717.38 × 906,861.69
  4. Step 4: Simplify right side
    1,670,807.79x = 2,090,966,759,889.17
  5. Step 5: Solve for x
    x = 2,090,966,759,889.17/1,670,807.79
  6. Step 6: Final answer
    x = 1,251,470.56

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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.