Home / 1,465,299.72-2,022,153.05-820,705.77

Finding the Fourth Proportional to 1,465,299.72, 2,022,153.05 and 820,705.77

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Solution

The fourth proportional to 1,465,299.72, 2,022,153.05 and 820,705.77 is: 1,132,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,299.72 : 2,022,153.05 = 820,705.77 : x
  2. Step 2: Convert to fraction form
    1,465,299.72/2,022,153.05 = 820,705.77/x
  3. Step 3: Cross multiply
    1,465,299.72x = 2,022,153.05 × 820,705.77
  4. Step 4: Simplify right side
    1,465,299.72x = 1,659,592,678,009.86
  5. Step 5: Solve for x
    x = 1,659,592,678,009.86/1,465,299.72
  6. Step 6: Final answer
    x = 1,132,596.05

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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.