Home / 1,330,230.20-1,995,345.30-905,077.40

Finding the Fourth Proportional to 1,330,230.20, 1,995,345.30 and 905,077.40

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Solution

The fourth proportional to 1,330,230.20, 1,995,345.30 and 905,077.40 is: 1,357,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,230.20 : 1,995,345.30 = 905,077.40 : x
  2. Step 2: Convert to fraction form
    1,330,230.20/1,995,345.30 = 905,077.40/x
  3. Step 3: Cross multiply
    1,330,230.20x = 1,995,345.30 × 905,077.40
  4. Step 4: Simplify right side
    1,330,230.20x = 1,805,941,936,226.22
  5. Step 5: Solve for x
    x = 1,805,941,936,226.22/1,330,230.20
  6. Step 6: Final answer
    x = 1,357,616.10

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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.