Home / 1,143,036.45-1,715,582.57-611,012.25

Finding the Fourth Proportional to 1,143,036.45, 1,715,582.57 and 611,012.25

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Solution

The fourth proportional to 1,143,036.45, 1,715,582.57 and 611,012.25 is: 917,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,036.45 : 1,715,582.57 = 611,012.25 : x
  2. Step 2: Convert to fraction form
    1,143,036.45/1,715,582.57 = 611,012.25/x
  3. Step 3: Cross multiply
    1,143,036.45x = 1,715,582.57 × 611,012.25
  4. Step 4: Simplify right side
    1,143,036.45x = 1,048,241,963,101.42
  5. Step 5: Solve for x
    x = 1,048,241,963,101.42/1,143,036.45
  6. Step 6: Final answer
    x = 917,067.84

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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.