Home / 1,030,329.20-1,545,493.80-920,104.40

Finding the Fourth Proportional to 1,030,329.20, 1,545,493.80 and 920,104.40

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Solution

The fourth proportional to 1,030,329.20, 1,545,493.80 and 920,104.40 is: 1,380,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,329.20 : 1,545,493.80 = 920,104.40 : x
  2. Step 2: Convert to fraction form
    1,030,329.20/1,545,493.80 = 920,104.40/x
  3. Step 3: Cross multiply
    1,030,329.20x = 1,545,493.80 × 920,104.40
  4. Step 4: Simplify right side
    1,030,329.20x = 1,422,015,645,552.72
  5. Step 5: Solve for x
    x = 1,422,015,645,552.72/1,030,329.20
  6. Step 6: Final answer
    x = 1,380,156.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.