Home / 1,010,870.15-1,394,993.95-558,161.15

Finding the Fourth Proportional to 1,010,870.15, 1,394,993.95 and 558,161.15

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Solution

The fourth proportional to 1,010,870.15, 1,394,993.95 and 558,161.15 is: 770,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,870.15 : 1,394,993.95 = 558,161.15 : x
  2. Step 2: Convert to fraction form
    1,010,870.15/1,394,993.95 = 558,161.15/x
  3. Step 3: Cross multiply
    1,010,870.15x = 1,394,993.95 × 558,161.15
  4. Step 4: Simplify right side
    1,010,870.15x = 778,631,419,004.67
  5. Step 5: Solve for x
    x = 778,631,419,004.67/1,010,870.15
  6. Step 6: Final answer
    x = 770,258.60

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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.