Home / 1,267,031.23-1,900,530.78-307,494.73

Finding the Fourth Proportional to 1,267,031.23, 1,900,530.78 and 307,494.73

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Solution

The fourth proportional to 1,267,031.23, 1,900,530.78 and 307,494.73 is: 461,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,031.23 : 1,900,530.78 = 307,494.73 : x
  2. Step 2: Convert to fraction form
    1,267,031.23/1,900,530.78 = 307,494.73/x
  3. Step 3: Cross multiply
    1,267,031.23x = 1,900,530.78 × 307,494.73
  4. Step 4: Simplify right side
    1,267,031.23x = 584,403,200,275.35
  5. Step 5: Solve for x
    x = 584,403,200,275.35/1,267,031.23
  6. Step 6: Final answer
    x = 461,238.20

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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.