Home / 1,435,611.40-1,981,232.16-791,031.40

Finding the Fourth Proportional to 1,435,611.40, 1,981,232.16 and 791,031.40

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Solution

The fourth proportional to 1,435,611.40, 1,981,232.16 and 791,031.40 is: 1,091,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,611.40 : 1,981,232.16 = 791,031.40 : x
  2. Step 2: Convert to fraction form
    1,435,611.40/1,981,232.16 = 791,031.40/x
  3. Step 3: Cross multiply
    1,435,611.40x = 1,981,232.16 × 791,031.40
  4. Step 4: Simplify right side
    1,435,611.40x = 1,567,216,849,249.82
  5. Step 5: Solve for x
    x = 1,567,216,849,249.82/1,435,611.40
  6. Step 6: Final answer
    x = 1,091,672.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.