Home / 1,478,834.40-2,040,295.16-1,206,431.40

Finding the Fourth Proportional to 1,478,834.40, 2,040,295.16 and 1,206,431.40

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Solution

The fourth proportional to 1,478,834.40, 2,040,295.16 and 1,206,431.40 is: 1,664,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,834.40 : 2,040,295.16 = 1,206,431.40 : x
  2. Step 2: Convert to fraction form
    1,478,834.40/2,040,295.16 = 1,206,431.40/x
  3. Step 3: Cross multiply
    1,478,834.40x = 2,040,295.16 × 1,206,431.40
  4. Step 4: Simplify right side
    1,478,834.40x = 2,461,476,146,292.02
  5. Step 5: Solve for x
    x = 2,461,476,146,292.02/1,478,834.40
  6. Step 6: Final answer
    x = 1,664,470.44

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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.