Home / 1,098,210.72-1,648,381.32-529,991.73

Finding the Fourth Proportional to 1,098,210.72, 1,648,381.32 and 529,991.73

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Solution

The fourth proportional to 1,098,210.72, 1,648,381.32 and 529,991.73 is: 795,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,210.72 : 1,648,381.32 = 529,991.73 : x
  2. Step 2: Convert to fraction form
    1,098,210.72/1,648,381.32 = 529,991.73/x
  3. Step 3: Cross multiply
    1,098,210.72x = 1,648,381.32 × 529,991.73
  4. Step 4: Simplify right side
    1,098,210.72x = 873,628,467,486.48
  5. Step 5: Solve for x
    x = 873,628,467,486.48/1,098,210.72
  6. Step 6: Final answer
    x = 795,501.68

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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.