Home / 1,330,961.13-1,837,613.25-787,271.58

Finding the Fourth Proportional to 1,330,961.13, 1,837,613.25 and 787,271.58

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Solution

The fourth proportional to 1,330,961.13, 1,837,613.25 and 787,271.58 is: 1,086,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,961.13 : 1,837,613.25 = 787,271.58 : x
  2. Step 2: Convert to fraction form
    1,330,961.13/1,837,613.25 = 787,271.58/x
  3. Step 3: Cross multiply
    1,330,961.13x = 1,837,613.25 × 787,271.58
  4. Step 4: Simplify right side
    1,330,961.13x = 1,446,700,686,756.43
  5. Step 5: Solve for x
    x = 1,446,700,686,756.43/1,330,961.13
  6. Step 6: Final answer
    x = 1,086,959.38

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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.