Home / 1,787,968.32-2,683,638.03-651,828.63

Finding the Fourth Proportional to 1,787,968.32, 2,683,638.03 and 651,828.63

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Solution

The fourth proportional to 1,787,968.32, 2,683,638.03 and 651,828.63 is: 978,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,968.32 : 2,683,638.03 = 651,828.63 : x
  2. Step 2: Convert to fraction form
    1,787,968.32/2,683,638.03 = 651,828.63/x
  3. Step 3: Cross multiply
    1,787,968.32x = 2,683,638.03 × 651,828.63
  4. Step 4: Simplify right side
    1,787,968.32x = 1,749,272,100,510.80
  5. Step 5: Solve for x
    x = 1,749,272,100,510.80/1,787,968.32
  6. Step 6: Final answer
    x = 978,357.44

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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.