Home / 1,318,845.73-1,977,991.77-371,995.02

Finding the Fourth Proportional to 1,318,845.73, 1,977,991.77 and 371,995.02

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Solution

The fourth proportional to 1,318,845.73, 1,977,991.77 and 371,995.02 is: 557,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,845.73 : 1,977,991.77 = 371,995.02 : x
  2. Step 2: Convert to fraction form
    1,318,845.73/1,977,991.77 = 371,995.02/x
  3. Step 3: Cross multiply
    1,318,845.73x = 1,977,991.77 × 371,995.02
  4. Step 4: Simplify right side
    1,318,845.73x = 735,803,088,040.99
  5. Step 5: Solve for x
    x = 735,803,088,040.99/1,318,845.73
  6. Step 6: Final answer
    x = 557,914.45

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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.