Home / 1,039,389.21-1,559,127.69-329,401.53

Finding the Fourth Proportional to 1,039,389.21, 1,559,127.69 and 329,401.53

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Solution

The fourth proportional to 1,039,389.21, 1,559,127.69 and 329,401.53 is: 494,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,389.21 : 1,559,127.69 = 329,401.53 : x
  2. Step 2: Convert to fraction form
    1,039,389.21/1,559,127.69 = 329,401.53/x
  3. Step 3: Cross multiply
    1,039,389.21x = 1,559,127.69 × 329,401.53
  4. Step 4: Simplify right side
    1,039,389.21x = 513,579,046,551.37
  5. Step 5: Solve for x
    x = 513,579,046,551.37/1,039,389.21
  6. Step 6: Final answer
    x = 494,116.20

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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.