Home / 1,234,428.80-1,851,643.20-985,596.80

Finding the Fourth Proportional to 1,234,428.80, 1,851,643.20 and 985,596.80

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Solution

The fourth proportional to 1,234,428.80, 1,851,643.20 and 985,596.80 is: 1,478,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,428.80 : 1,851,643.20 = 985,596.80 : x
  2. Step 2: Convert to fraction form
    1,234,428.80/1,851,643.20 = 985,596.80/x
  3. Step 3: Cross multiply
    1,234,428.80x = 1,851,643.20 × 985,596.80
  4. Step 4: Simplify right side
    1,234,428.80x = 1,824,973,612,661.76
  5. Step 5: Solve for x
    x = 1,824,973,612,661.76/1,234,428.80
  6. Step 6: Final answer
    x = 1,478,395.20

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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.