Home / 1,569,153.85-2,353,730.78-1,214,422.45

Finding the Fourth Proportional to 1,569,153.85, 2,353,730.78 and 1,214,422.45

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Solution

The fourth proportional to 1,569,153.85, 2,353,730.78 and 1,214,422.45 is: 1,821,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,153.85 : 2,353,730.78 = 1,214,422.45 : x
  2. Step 2: Convert to fraction form
    1,569,153.85/2,353,730.78 = 1,214,422.45/x
  3. Step 3: Cross multiply
    1,569,153.85x = 2,353,730.78 × 1,214,422.45
  4. Step 4: Simplify right side
    1,569,153.85x = 2,858,423,500,488.01
  5. Step 5: Solve for x
    x = 2,858,423,500,488.01/1,569,153.85
  6. Step 6: Final answer
    x = 1,821,633.68

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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.