Home / 1,012,476.86-1,397,218.82-553,584.11

Finding the Fourth Proportional to 1,012,476.86, 1,397,218.82 and 553,584.11

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Solution

The fourth proportional to 1,012,476.86, 1,397,218.82 and 553,584.11 is: 763,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,476.86 : 1,397,218.82 = 553,584.11 : x
  2. Step 2: Convert to fraction form
    1,012,476.86/1,397,218.82 = 553,584.11/x
  3. Step 3: Cross multiply
    1,012,476.86x = 1,397,218.82 × 553,584.11
  4. Step 4: Simplify right side
    1,012,476.86x = 773,478,127,190.94
  5. Step 5: Solve for x
    x = 773,478,127,190.94/1,012,476.86
  6. Step 6: Final answer
    x = 763,946.48

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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.