Home / 1,012,867.07-1,397,745.23-553,994.82

Finding the Fourth Proportional to 1,012,867.07, 1,397,745.23 and 553,994.82

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Solution

The fourth proportional to 1,012,867.07, 1,397,745.23 and 553,994.82 is: 764,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,867.07 : 1,397,745.23 = 553,994.82 : x
  2. Step 2: Convert to fraction form
    1,012,867.07/1,397,745.23 = 553,994.82/x
  3. Step 3: Cross multiply
    1,012,867.07x = 1,397,745.23 × 553,994.82
  4. Step 4: Simplify right side
    1,012,867.07x = 774,343,614,329.74
  5. Step 5: Solve for x
    x = 774,343,614,329.74/1,012,867.07
  6. Step 6: Final answer
    x = 764,506.66

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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.