Home / 1,499,346.35-2,066,945.73-1,068,879.14

Finding the Fourth Proportional to 1,499,346.35, 2,066,945.73 and 1,068,879.14

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Solution

The fourth proportional to 1,499,346.35, 2,066,945.73 and 1,068,879.14 is: 1,473,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,346.35 : 2,066,945.73 = 1,068,879.14 : x
  2. Step 2: Convert to fraction form
    1,499,346.35/2,066,945.73 = 1,068,879.14/x
  3. Step 3: Cross multiply
    1,499,346.35x = 2,066,945.73 × 1,068,879.14
  4. Step 4: Simplify right side
    1,499,346.35x = 2,209,315,163,974.34
  5. Step 5: Solve for x
    x = 2,209,315,163,974.34/1,499,346.35
  6. Step 6: Final answer
    x = 1,473,518.89

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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.