Home / 1,020,609.99-1,529,165.39-720,553.59

Finding the Fourth Proportional to 1,020,609.99, 1,529,165.39 and 720,553.59

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Solution

The fourth proportional to 1,020,609.99, 1,529,165.39 and 720,553.59 is: 1,079,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,609.99 : 1,529,165.39 = 720,553.59 : x
  2. Step 2: Convert to fraction form
    1,020,609.99/1,529,165.39 = 720,553.59/x
  3. Step 3: Cross multiply
    1,020,609.99x = 1,529,165.39 × 720,553.59
  4. Step 4: Simplify right side
    1,020,609.99x = 1,101,845,607,865.48
  5. Step 5: Solve for x
    x = 1,101,845,607,865.48/1,020,609.99
  6. Step 6: Final answer
    x = 1,079,595.16

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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.