Home / 1,871,299-2,582,390.76-1,011,857.20

Finding the Fourth Proportional to 1,871,299, 2,582,390.76 and 1,011,857.20

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Solution

The fourth proportional to 1,871,299, 2,582,390.76 and 1,011,857.20 is: 1,396,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,299 : 2,582,390.76 = 1,011,857.20 : x
  2. Step 2: Convert to fraction form
    1,871,299/2,582,390.76 = 1,011,857.20/x
  3. Step 3: Cross multiply
    1,871,299x = 2,582,390.76 × 1,011,857.20
  4. Step 4: Simplify right side
    1,871,299x = 2,613,010,683,719.47
  5. Step 5: Solve for x
    x = 2,613,010,683,719.47/1,871,299
  6. Step 6: Final answer
    x = 1,396,361.93

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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.