Home / 1,113,364.52-1,535,986.31-677,432.40

Finding the Fourth Proportional to 1,113,364.52, 1,535,986.31 and 677,432.40

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Solution

The fourth proportional to 1,113,364.52, 1,535,986.31 and 677,432.40 is: 934,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,364.52 : 1,535,986.31 = 677,432.40 : x
  2. Step 2: Convert to fraction form
    1,113,364.52/1,535,986.31 = 677,432.40/x
  3. Step 3: Cross multiply
    1,113,364.52x = 1,535,986.31 × 677,432.40
  4. Step 4: Simplify right side
    1,113,364.52x = 1,040,526,891,503.65
  5. Step 5: Solve for x
    x = 1,040,526,891,503.65/1,113,364.52
  6. Step 6: Final answer
    x = 934,578.81

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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.