Home / 1,510,684.92-2,266,102.69-431,357.60

Finding the Fourth Proportional to 1,510,684.92, 2,266,102.69 and 431,357.60

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Solution

The fourth proportional to 1,510,684.92, 2,266,102.69 and 431,357.60 is: 647,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,684.92 : 2,266,102.69 = 431,357.60 : x
  2. Step 2: Convert to fraction form
    1,510,684.92/2,266,102.69 = 431,357.60/x
  3. Step 3: Cross multiply
    1,510,684.92x = 2,266,102.69 × 431,357.60
  4. Step 4: Simplify right side
    1,510,684.92x = 977,500,622,298.81
  5. Step 5: Solve for x
    x = 977,500,622,298.81/1,510,684.92
  6. Step 6: Final answer
    x = 647,057.91

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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.