Home / 1,434,640.72-2,152,814.40-724,740.64

Finding the Fourth Proportional to 1,434,640.72, 2,152,814.40 and 724,740.64

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Solution

The fourth proportional to 1,434,640.72, 2,152,814.40 and 724,740.64 is: 1,087,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,640.72 : 2,152,814.40 = 724,740.64 : x
  2. Step 2: Convert to fraction form
    1,434,640.72/2,152,814.40 = 724,740.64/x
  3. Step 3: Cross multiply
    1,434,640.72x = 2,152,814.40 × 724,740.64
  4. Step 4: Simplify right side
    1,434,640.72x = 1,560,232,086,057.22
  5. Step 5: Solve for x
    x = 1,560,232,086,057.22/1,434,640.72
  6. Step 6: Final answer
    x = 1,087,542.03

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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.