Home / 1,667,215.19-2,300,756.51-903,268.76

Finding the Fourth Proportional to 1,667,215.19, 2,300,756.51 and 903,268.76

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Solution

The fourth proportional to 1,667,215.19, 2,300,756.51 and 903,268.76 is: 1,246,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,215.19 : 2,300,756.51 = 903,268.76 : x
  2. Step 2: Convert to fraction form
    1,667,215.19/2,300,756.51 = 903,268.76/x
  3. Step 3: Cross multiply
    1,667,215.19x = 2,300,756.51 × 903,268.76
  4. Step 4: Simplify right side
    1,667,215.19x = 2,078,201,470,604.02
  5. Step 5: Solve for x
    x = 2,078,201,470,604.02/1,667,215.19
  6. Step 6: Final answer
    x = 1,246,510.64

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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.