Home / 1,066,918.86-1,472,883.42-824,653.94

Finding the Fourth Proportional to 1,066,918.86, 1,472,883.42 and 824,653.94

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Solution

The fourth proportional to 1,066,918.86, 1,472,883.42 and 824,653.94 is: 1,138,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,918.86 : 1,472,883.42 = 824,653.94 : x
  2. Step 2: Convert to fraction form
    1,066,918.86/1,472,883.42 = 824,653.94/x
  3. Step 3: Cross multiply
    1,066,918.86x = 1,472,883.42 × 824,653.94
  4. Step 4: Simplify right side
    1,066,918.86x = 1,214,619,115,463.67
  5. Step 5: Solve for x
    x = 1,214,619,115,463.67/1,066,918.86
  6. Step 6: Final answer
    x = 1,138,436.26

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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.