Home / 1,215,710.51-1,821,935.63-946,164.07

Finding the Fourth Proportional to 1,215,710.51, 1,821,935.63 and 946,164.07

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Solution

The fourth proportional to 1,215,710.51, 1,821,935.63 and 946,164.07 is: 1,417,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,710.51 : 1,821,935.63 = 946,164.07 : x
  2. Step 2: Convert to fraction form
    1,215,710.51/1,821,935.63 = 946,164.07/x
  3. Step 3: Cross multiply
    1,215,710.51x = 1,821,935.63 × 946,164.07
  4. Step 4: Simplify right side
    1,215,710.51x = 1,723,850,035,601.64
  5. Step 5: Solve for x
    x = 1,723,850,035,601.64/1,215,710.51
  6. Step 6: Final answer
    x = 1,417,977.41

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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.