Home / 1,002,786.72-1,504,639.35-434,341.68

Finding the Fourth Proportional to 1,002,786.72, 1,504,639.35 and 434,341.68

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Solution

The fourth proportional to 1,002,786.72, 1,504,639.35 and 434,341.68 is: 651,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,786.72 : 1,504,639.35 = 434,341.68 : x
  2. Step 2: Convert to fraction form
    1,002,786.72/1,504,639.35 = 434,341.68/x
  3. Step 3: Cross multiply
    1,002,786.72x = 1,504,639.35 × 434,341.68
  4. Step 4: Simplify right side
    1,002,786.72x = 653,527,583,073.11
  5. Step 5: Solve for x
    x = 653,527,583,073.11/1,002,786.72
  6. Step 6: Final answer
    x = 651,711.45

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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.