Home / 1,871,317.20-2,582,415.96-1,011,875.40

Finding the Fourth Proportional to 1,871,317.20, 2,582,415.96 and 1,011,875.40

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Solution

The fourth proportional to 1,871,317.20, 2,582,415.96 and 1,011,875.40 is: 1,396,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,317.20 : 2,582,415.96 = 1,011,875.40 : x
  2. Step 2: Convert to fraction form
    1,871,317.20/2,582,415.96 = 1,011,875.40/x
  3. Step 3: Cross multiply
    1,871,317.20x = 2,582,415.96 × 1,011,875.40
  4. Step 4: Simplify right side
    1,871,317.20x = 2,613,083,182,491.38
  5. Step 5: Solve for x
    x = 2,613,083,182,491.38/1,871,317.20
  6. Step 6: Final answer
    x = 1,396,387.09

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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.