Home / 1,142,621.94-1,714,157.13-422,969.94

Finding the Fourth Proportional to 1,142,621.94, 1,714,157.13 and 422,969.94

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Solution

The fourth proportional to 1,142,621.94, 1,714,157.13 and 422,969.94 is: 634,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,621.94 : 1,714,157.13 = 422,969.94 : x
  2. Step 2: Convert to fraction form
    1,142,621.94/1,714,157.13 = 422,969.94/x
  3. Step 3: Cross multiply
    1,142,621.94x = 1,714,157.13 × 422,969.94
  4. Step 4: Simplify right side
    1,142,621.94x = 725,036,938,426.67
  5. Step 5: Solve for x
    x = 725,036,938,426.67/1,142,621.94
  6. Step 6: Final answer
    x = 634,537.91

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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.