Home / 1,318,796.78-1,977,918.38-371,946.07

Finding the Fourth Proportional to 1,318,796.78, 1,977,918.38 and 371,946.07

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Solution

The fourth proportional to 1,318,796.78, 1,977,918.38 and 371,946.07 is: 557,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,796.78 : 1,977,918.38 = 371,946.07 : x
  2. Step 2: Convert to fraction form
    1,318,796.78/1,977,918.38 = 371,946.07/x
  3. Step 3: Cross multiply
    1,318,796.78x = 1,977,918.38 × 371,946.07
  4. Step 4: Simplify right side
    1,318,796.78x = 735,678,963,255.77
  5. Step 5: Solve for x
    x = 735,678,963,255.77/1,318,796.78
  6. Step 6: Final answer
    x = 557,841.04

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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.