Home / 1,670,804.16-2,305,703.90-906,857.72

Finding the Fourth Proportional to 1,670,804.16, 2,305,703.90 and 906,857.72

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Solution

The fourth proportional to 1,670,804.16, 2,305,703.90 and 906,857.72 is: 1,251,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,804.16 : 2,305,703.90 = 906,857.72 : x
  2. Step 2: Convert to fraction form
    1,670,804.16/2,305,703.90 = 906,857.72/x
  3. Step 3: Cross multiply
    1,670,804.16x = 2,305,703.90 × 906,857.72
  4. Step 4: Simplify right side
    1,670,804.16x = 2,090,945,381,749.11
  5. Step 5: Solve for x
    x = 2,090,945,381,749.11/1,670,804.16
  6. Step 6: Final answer
    x = 1,251,460.48

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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.