Home / 1,145,652.07-1,581,027.71-629,439.40

Finding the Fourth Proportional to 1,145,652.07, 1,581,027.71 and 629,439.40

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Solution

The fourth proportional to 1,145,652.07, 1,581,027.71 and 629,439.40 is: 868,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,652.07 : 1,581,027.71 = 629,439.40 : x
  2. Step 2: Convert to fraction form
    1,145,652.07/1,581,027.71 = 629,439.40/x
  3. Step 3: Cross multiply
    1,145,652.07x = 1,581,027.71 × 629,439.40
  4. Step 4: Simplify right side
    1,145,652.07x = 995,161,126,066.01
  5. Step 5: Solve for x
    x = 995,161,126,066.01/1,145,652.07
  6. Step 6: Final answer
    x = 868,641.67

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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.