Home / 1,220,635.40-1,831,244.70-589,029.80

Finding the Fourth Proportional to 1,220,635.40, 1,831,244.70 and 589,029.80

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Solution

The fourth proportional to 1,220,635.40, 1,831,244.70 and 589,029.80 is: 883,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,635.40 : 1,831,244.70 = 589,029.80 : x
  2. Step 2: Convert to fraction form
    1,220,635.40/1,831,244.70 = 589,029.80/x
  3. Step 3: Cross multiply
    1,220,635.40x = 1,831,244.70 × 589,029.80
  4. Step 4: Simplify right side
    1,220,635.40x = 1,078,657,699,392.06
  5. Step 5: Solve for x
    x = 1,078,657,699,392.06/1,220,635.40
  6. Step 6: Final answer
    x = 883,685.41

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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.