Home / 1,072,945.20-1,609,417.80-540,260.40

Finding the Fourth Proportional to 1,072,945.20, 1,609,417.80 and 540,260.40

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Solution

The fourth proportional to 1,072,945.20, 1,609,417.80 and 540,260.40 is: 810,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,945.20 : 1,609,417.80 = 540,260.40 : x
  2. Step 2: Convert to fraction form
    1,072,945.20/1,609,417.80 = 540,260.40/x
  3. Step 3: Cross multiply
    1,072,945.20x = 1,609,417.80 × 540,260.40
  4. Step 4: Simplify right side
    1,072,945.20x = 869,504,704,395.12
  5. Step 5: Solve for x
    x = 869,504,704,395.12/1,072,945.20
  6. Step 6: Final answer
    x = 810,390.60

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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.