Home / 1,435,878.90-1,981,526.40-791,322.66

Finding the Fourth Proportional to 1,435,878.90, 1,981,526.40 and 791,322.66

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Solution

The fourth proportional to 1,435,878.90, 1,981,526.40 and 791,322.66 is: 1,092,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,878.90 : 1,981,526.40 = 791,322.66 : x
  2. Step 2: Convert to fraction form
    1,435,878.90/1,981,526.40 = 791,322.66/x
  3. Step 3: Cross multiply
    1,435,878.90x = 1,981,526.40 × 791,322.66
  4. Step 4: Simplify right side
    1,435,878.90x = 1,568,026,741,708.22
  5. Step 5: Solve for x
    x = 1,568,026,741,708.22/1,435,878.90
  6. Step 6: Final answer
    x = 1,092,032.72

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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.