Home / 1,423,969.40-2,138,027.70-864,097.40

Finding the Fourth Proportional to 1,423,969.40, 2,138,027.70 and 864,097.40

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Solution

The fourth proportional to 1,423,969.40, 2,138,027.70 and 864,097.40 is: 1,297,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,969.40 : 2,138,027.70 = 864,097.40 : x
  2. Step 2: Convert to fraction form
    1,423,969.40/2,138,027.70 = 864,097.40/x
  3. Step 3: Cross multiply
    1,423,969.40x = 2,138,027.70 × 864,097.40
  4. Step 4: Simplify right side
    1,423,969.40x = 1,847,464,176,697.98
  5. Step 5: Solve for x
    x = 1,847,464,176,697.98/1,423,969.40
  6. Step 6: Final answer
    x = 1,297,404.41

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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.