Home / 1,359,892.80-2,039,839.20-473,428.80

Finding the Fourth Proportional to 1,359,892.80, 2,039,839.20 and 473,428.80

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Solution

The fourth proportional to 1,359,892.80, 2,039,839.20 and 473,428.80 is: 710,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,892.80 : 2,039,839.20 = 473,428.80 : x
  2. Step 2: Convert to fraction form
    1,359,892.80/2,039,839.20 = 473,428.80/x
  3. Step 3: Cross multiply
    1,359,892.80x = 2,039,839.20 × 473,428.80
  4. Step 4: Simplify right side
    1,359,892.80x = 965,718,624,648.96
  5. Step 5: Solve for x
    x = 965,718,624,648.96/1,359,892.80
  6. Step 6: Final answer
    x = 710,143.20

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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.