Home / 938,039.20-1,404,985.20-726,013.60

Finding the Fourth Proportional to 938,039.20, 1,404,985.20 and 726,013.60

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Solution

The fourth proportional to 938,039.20, 1,404,985.20 and 726,013.60 is: 1,087,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,039.20 : 1,404,985.20 = 726,013.60 : x
  2. Step 2: Convert to fraction form
    938,039.20/1,404,985.20 = 726,013.60/x
  3. Step 3: Cross multiply
    938,039.20x = 1,404,985.20 × 726,013.60
  4. Step 4: Simplify right side
    938,039.20x = 1,020,038,362,998.72
  5. Step 5: Solve for x
    x = 1,020,038,362,998.72/938,039.20
  6. Step 6: Final answer
    x = 1,087,415.50

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1.5x scale

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.