Home / 1,698,639.72-2,548,048.86-436,475.88

Finding the Fourth Proportional to 1,698,639.72, 2,548,048.86 and 436,475.88

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Solution

The fourth proportional to 1,698,639.72, 2,548,048.86 and 436,475.88 is: 654,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,639.72 : 2,548,048.86 = 436,475.88 : x
  2. Step 2: Convert to fraction form
    1,698,639.72/2,548,048.86 = 436,475.88/x
  3. Step 3: Cross multiply
    1,698,639.72x = 2,548,048.86 × 436,475.88
  4. Step 4: Simplify right side
    1,698,639.72x = 1,112,161,868,451.50
  5. Step 5: Solve for x
    x = 1,112,161,868,451.50/1,698,639.72
  6. Step 6: Final answer
    x = 654,736.76

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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.