Home / 989,017.20-1,483,525.80-929,968.20

Finding the Fourth Proportional to 989,017.20, 1,483,525.80 and 929,968.20

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Solution

The fourth proportional to 989,017.20, 1,483,525.80 and 929,968.20 is: 1,394,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,017.20 : 1,483,525.80 = 929,968.20 : x
  2. Step 2: Convert to fraction form
    989,017.20/1,483,525.80 = 929,968.20/x
  3. Step 3: Cross multiply
    989,017.20x = 1,483,525.80 × 929,968.20
  4. Step 4: Simplify right side
    989,017.20x = 1,379,631,817,879.56
  5. Step 5: Solve for x
    x = 1,379,631,817,879.56/989,017.20
  6. Step 6: Final answer
    x = 1,394,952.30

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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.