Home / 1,010,726.80-1,394,803.92-558,017.84

Finding the Fourth Proportional to 1,010,726.80, 1,394,803.92 and 558,017.84

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Solution

The fourth proportional to 1,010,726.80, 1,394,803.92 and 558,017.84 is: 770,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,726.80 : 1,394,803.92 = 558,017.84 : x
  2. Step 2: Convert to fraction form
    1,010,726.80/1,394,803.92 = 558,017.84/x
  3. Step 3: Cross multiply
    1,010,726.80x = 1,394,803.92 × 558,017.84
  4. Step 4: Simplify right side
    1,010,726.80x = 778,325,470,661.93
  5. Step 5: Solve for x
    x = 778,325,470,661.93/1,010,726.80
  6. Step 6: Final answer
    x = 770,065.14

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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.