Home / 1,314,136.60-1,970,427.30-684,280.60

Finding the Fourth Proportional to 1,314,136.60, 1,970,427.30 and 684,280.60

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Solution

The fourth proportional to 1,314,136.60, 1,970,427.30 and 684,280.60 is: 1,026,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,136.60 : 1,970,427.30 = 684,280.60 : x
  2. Step 2: Convert to fraction form
    1,314,136.60/1,970,427.30 = 684,280.60/x
  3. Step 3: Cross multiply
    1,314,136.60x = 1,970,427.30 × 684,280.60
  4. Step 4: Simplify right side
    1,314,136.60x = 1,348,325,175,100.38
  5. Step 5: Solve for x
    x = 1,348,325,175,100.38/1,314,136.60
  6. Step 6: Final answer
    x = 1,026,016.00

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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.