Home / 1,318,833.32-1,977,973.13-371,982.60

Finding the Fourth Proportional to 1,318,833.32, 1,977,973.13 and 371,982.60

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Solution

The fourth proportional to 1,318,833.32, 1,977,973.13 and 371,982.60 is: 557,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,833.32 : 1,977,973.13 = 371,982.60 : x
  2. Step 2: Convert to fraction form
    1,318,833.32/1,977,973.13 = 371,982.60/x
  3. Step 3: Cross multiply
    1,318,833.32x = 1,977,973.13 × 371,982.60
  4. Step 4: Simplify right side
    1,318,833.32x = 735,771,585,767.63
  5. Step 5: Solve for x
    x = 735,771,585,767.63/1,318,833.32
  6. Step 6: Final answer
    x = 557,895.81

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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.