Home / 1,812,098.74-2,720,247.90-972,290.74

Finding the Fourth Proportional to 1,812,098.74, 2,720,247.90 and 972,290.74

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Solution

The fourth proportional to 1,812,098.74, 2,720,247.90 and 972,290.74 is: 1,459,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,098.74 : 2,720,247.90 = 972,290.74 : x
  2. Step 2: Convert to fraction form
    1,812,098.74/2,720,247.90 = 972,290.74/x
  3. Step 3: Cross multiply
    1,812,098.74x = 2,720,247.90 × 972,290.74
  4. Step 4: Simplify right side
    1,812,098.74x = 2,644,871,843,674.45
  5. Step 5: Solve for x
    x = 2,644,871,843,674.45/1,812,098.74
  6. Step 6: Final answer
    x = 1,459,562.76

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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.