Home / 1,428,058.14-1,970,703.99-824,433.18

Finding the Fourth Proportional to 1,428,058.14, 1,970,703.99 and 824,433.18

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Solution

The fourth proportional to 1,428,058.14, 1,970,703.99 and 824,433.18 is: 1,137,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,058.14 : 1,970,703.99 = 824,433.18 : x
  2. Step 2: Convert to fraction form
    1,428,058.14/1,970,703.99 = 824,433.18/x
  3. Step 3: Cross multiply
    1,428,058.14x = 1,970,703.99 × 824,433.18
  4. Step 4: Simplify right side
    1,428,058.14x = 1,624,713,757,314.39
  5. Step 5: Solve for x
    x = 1,624,713,757,314.39/1,428,058.14
  6. Step 6: Final answer
    x = 1,137,708.41

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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.