Home / 999,619.02-1,498,069.80-422,762.92

Finding the Fourth Proportional to 999,619.02, 1,498,069.80 and 422,762.92

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Solution

The fourth proportional to 999,619.02, 1,498,069.80 and 422,762.92 is: 633,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,619.02 : 1,498,069.80 = 422,762.92 : x
  2. Step 2: Convert to fraction form
    999,619.02/1,498,069.80 = 422,762.92/x
  3. Step 3: Cross multiply
    999,619.02x = 1,498,069.80 × 422,762.92
  4. Step 4: Simplify right side
    999,619.02x = 633,328,359,266.64
  5. Step 5: Solve for x
    x = 633,328,359,266.64/999,619.02
  6. Step 6: Final answer
    x = 633,569.74

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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.