Home / 1,220,884.20-1,830,807.90-589,991.40

Finding the Fourth Proportional to 1,220,884.20, 1,830,807.90 and 589,991.40

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Solution

The fourth proportional to 1,220,884.20, 1,830,807.90 and 589,991.40 is: 884,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,884.20 : 1,830,807.90 = 589,991.40 : x
  2. Step 2: Convert to fraction form
    1,220,884.20/1,830,807.90 = 589,991.40/x
  3. Step 3: Cross multiply
    1,220,884.20x = 1,830,807.90 × 589,991.40
  4. Step 4: Simplify right side
    1,220,884.20x = 1,080,160,916,052.06
  5. Step 5: Solve for x
    x = 1,080,160,916,052.06/1,220,884.20
  6. Step 6: Final answer
    x = 884,736.58

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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.