Home / 1,011,918.82-1,396,476.88-553,058.86

Finding the Fourth Proportional to 1,011,918.82, 1,396,476.88 and 553,058.86

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Solution

The fourth proportional to 1,011,918.82, 1,396,476.88 and 553,058.86 is: 763,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,918.82 : 1,396,476.88 = 553,058.86 : x
  2. Step 2: Convert to fraction form
    1,011,918.82/1,396,476.88 = 553,058.86/x
  3. Step 3: Cross multiply
    1,011,918.82x = 1,396,476.88 × 553,058.86
  4. Step 4: Simplify right side
    1,011,918.82x = 772,333,911,269.16
  5. Step 5: Solve for x
    x = 772,333,911,269.16/1,011,918.82
  6. Step 6: Final answer
    x = 763,237.03

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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.