Home / 1,220,485.05-1,830,302.73-500,619.42

Finding the Fourth Proportional to 1,220,485.05, 1,830,302.73 and 500,619.42

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Solution

The fourth proportional to 1,220,485.05, 1,830,302.73 and 500,619.42 is: 750,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,485.05 : 1,830,302.73 = 500,619.42 : x
  2. Step 2: Convert to fraction form
    1,220,485.05/1,830,302.73 = 500,619.42/x
  3. Step 3: Cross multiply
    1,220,485.05x = 1,830,302.73 × 500,619.42
  4. Step 4: Simplify right side
    1,220,485.05x = 916,285,091,117.02
  5. Step 5: Solve for x
    x = 916,285,091,117.02/1,220,485.05
  6. Step 6: Final answer
    x = 750,754.87

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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.