Home / 1,094,576.80-1,641,865.20-385,405.60

Finding the Fourth Proportional to 1,094,576.80, 1,641,865.20 and 385,405.60

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Solution

The fourth proportional to 1,094,576.80, 1,641,865.20 and 385,405.60 is: 578,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,576.80 : 1,641,865.20 = 385,405.60 : x
  2. Step 2: Convert to fraction form
    1,094,576.80/1,641,865.20 = 385,405.60/x
  3. Step 3: Cross multiply
    1,094,576.80x = 1,641,865.20 × 385,405.60
  4. Step 4: Simplify right side
    1,094,576.80x = 632,784,042,525.12
  5. Step 5: Solve for x
    x = 632,784,042,525.12/1,094,576.80
  6. Step 6: Final answer
    x = 578,108.40

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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.