Home / 940,039.80-1,410,059.70-837,688.20

Finding the Fourth Proportional to 940,039.80, 1,410,059.70 and 837,688.20

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Solution

The fourth proportional to 940,039.80, 1,410,059.70 and 837,688.20 is: 1,256,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,039.80 : 1,410,059.70 = 837,688.20 : x
  2. Step 2: Convert to fraction form
    940,039.80/1,410,059.70 = 837,688.20/x
  3. Step 3: Cross multiply
    940,039.80x = 1,410,059.70 × 837,688.20
  4. Step 4: Simplify right side
    940,039.80x = 1,181,190,371,985.54
  5. Step 5: Solve for x
    x = 1,181,190,371,985.54/940,039.80
  6. Step 6: Final answer
    x = 1,256,532.30

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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.