Home / 938,043.20-1,404,991.20-726,017.60

Finding the Fourth Proportional to 938,043.20, 1,404,991.20 and 726,017.60

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Solution

The fourth proportional to 938,043.20, 1,404,991.20 and 726,017.60 is: 1,087,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,043.20 : 1,404,991.20 = 726,017.60 : x
  2. Step 2: Convert to fraction form
    938,043.20/1,404,991.20 = 726,017.60/x
  3. Step 3: Cross multiply
    938,043.20x = 1,404,991.20 × 726,017.60
  4. Step 4: Simplify right side
    938,043.20x = 1,020,048,339,045.12
  5. Step 5: Solve for x
    x = 1,020,048,339,045.12/938,043.20
  6. Step 6: Final answer
    x = 1,087,421.50

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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.