Home / 1,013,148.21-1,519,722-381,914.40

Finding the Fourth Proportional to 1,013,148.21, 1,519,722 and 381,914.40

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Solution

The fourth proportional to 1,013,148.21, 1,519,722 and 381,914.40 is: 572,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,148.21 : 1,519,722 = 381,914.40 : x
  2. Step 2: Convert to fraction form
    1,013,148.21/1,519,722 = 381,914.40/x
  3. Step 3: Cross multiply
    1,013,148.21x = 1,519,722 × 381,914.40
  4. Step 4: Simplify right side
    1,013,148.21x = 580,403,715,796.80
  5. Step 5: Solve for x
    x = 580,403,715,796.80/1,013,148.21
  6. Step 6: Final answer
    x = 572,871.48

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1.5x scale

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.