Home / 1,670,789.18-2,305,627.38-906,826.34

Finding the Fourth Proportional to 1,670,789.18, 2,305,627.38 and 906,826.34

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Solution

The fourth proportional to 1,670,789.18, 2,305,627.38 and 906,826.34 is: 1,251,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,789.18 : 2,305,627.38 = 906,826.34 : x
  2. Step 2: Convert to fraction form
    1,670,789.18/2,305,627.38 = 906,826.34/x
  3. Step 3: Cross multiply
    1,670,789.18x = 2,305,627.38 × 906,826.34
  4. Step 4: Simplify right side
    1,670,789.18x = 2,090,803,638,409.19
  5. Step 5: Solve for x
    x = 2,090,803,638,409.19/1,670,789.18
  6. Step 6: Final answer
    x = 1,251,386.87

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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.