Home / 1,230,376.80-1,845,824.40-520,039.20

Finding the Fourth Proportional to 1,230,376.80, 1,845,824.40 and 520,039.20

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Solution

The fourth proportional to 1,230,376.80, 1,845,824.40 and 520,039.20 is: 780,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,376.80 : 1,845,824.40 = 520,039.20 : x
  2. Step 2: Convert to fraction form
    1,230,376.80/1,845,824.40 = 520,039.20/x
  3. Step 3: Cross multiply
    1,230,376.80x = 1,845,824.40 × 520,039.20
  4. Step 4: Simplify right side
    1,230,376.80x = 959,901,044,316.48
  5. Step 5: Solve for x
    x = 959,901,044,316.48/1,230,376.80
  6. Step 6: Final answer
    x = 780,168.36

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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.