Home / 1,470,605.82-2,029,485.26-817,259.38

Finding the Fourth Proportional to 1,470,605.82, 2,029,485.26 and 817,259.38

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Solution

The fourth proportional to 1,470,605.82, 2,029,485.26 and 817,259.38 is: 1,127,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,605.82 : 2,029,485.26 = 817,259.38 : x
  2. Step 2: Convert to fraction form
    1,470,605.82/2,029,485.26 = 817,259.38/x
  3. Step 3: Cross multiply
    1,470,605.82x = 2,029,485.26 × 817,259.38
  4. Step 4: Simplify right side
    1,470,605.82x = 1,658,615,857,679.09
  5. Step 5: Solve for x
    x = 1,658,615,857,679.09/1,470,605.82
  6. Step 6: Final answer
    x = 1,127,845.30

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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.