Home / 1,318,835.06-1,977,975.76-371,984.34

Finding the Fourth Proportional to 1,318,835.06, 1,977,975.76 and 371,984.34

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Solution

The fourth proportional to 1,318,835.06, 1,977,975.76 and 371,984.34 is: 557,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,835.06 : 1,977,975.76 = 371,984.34 : x
  2. Step 2: Convert to fraction form
    1,318,835.06/1,977,975.76 = 371,984.34/x
  3. Step 3: Cross multiply
    1,318,835.06x = 1,977,975.76 × 371,984.34
  4. Step 4: Simplify right side
    1,318,835.06x = 735,776,007,619.60
  5. Step 5: Solve for x
    x = 735,776,007,619.60/1,318,835.06
  6. Step 6: Final answer
    x = 557,898.43

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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.