Home / 1,347,989.23-2,022,988.07-989,087.51

Finding the Fourth Proportional to 1,347,989.23, 2,022,988.07 and 989,087.51

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Solution

The fourth proportional to 1,347,989.23, 2,022,988.07 and 989,087.51 is: 1,484,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,989.23 : 2,022,988.07 = 989,087.51 : x
  2. Step 2: Convert to fraction form
    1,347,989.23/2,022,988.07 = 989,087.51/x
  3. Step 3: Cross multiply
    1,347,989.23x = 2,022,988.07 × 989,087.51
  4. Step 4: Simplify right side
    1,347,989.23x = 2,000,912,232,916.01
  5. Step 5: Solve for x
    x = 2,000,912,232,916.01/1,347,989.23
  6. Step 6: Final answer
    x = 1,484,368.12

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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.