Home / 1,030,374.20-1,545,561.30-920,149.40

Finding the Fourth Proportional to 1,030,374.20, 1,545,561.30 and 920,149.40

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Solution

The fourth proportional to 1,030,374.20, 1,545,561.30 and 920,149.40 is: 1,380,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,374.20 : 1,545,561.30 = 920,149.40 : x
  2. Step 2: Convert to fraction form
    1,030,374.20/1,545,561.30 = 920,149.40/x
  3. Step 3: Cross multiply
    1,030,374.20x = 1,545,561.30 × 920,149.40
  4. Step 4: Simplify right side
    1,030,374.20x = 1,422,147,302,858.22
  5. Step 5: Solve for x
    x = 1,422,147,302,858.22/1,030,374.20
  6. Step 6: Final answer
    x = 1,380,224.10

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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.