Home / 1,424,375.60-2,136,563.40-949,521.20

Finding the Fourth Proportional to 1,424,375.60, 2,136,563.40 and 949,521.20

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Solution

The fourth proportional to 1,424,375.60, 2,136,563.40 and 949,521.20 is: 1,424,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,375.60 : 2,136,563.40 = 949,521.20 : x
  2. Step 2: Convert to fraction form
    1,424,375.60/2,136,563.40 = 949,521.20/x
  3. Step 3: Cross multiply
    1,424,375.60x = 2,136,563.40 × 949,521.20
  4. Step 4: Simplify right side
    1,424,375.60x = 2,028,712,243,444.08
  5. Step 5: Solve for x
    x = 2,028,712,243,444.08/1,424,375.60
  6. Step 6: Final answer
    x = 1,424,281.80

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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.