Home / 1,210,913.46-1,670,974.29-720,856.98

Finding the Fourth Proportional to 1,210,913.46, 1,670,974.29 and 720,856.98

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Solution

The fourth proportional to 1,210,913.46, 1,670,974.29 and 720,856.98 is: 994,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,913.46 : 1,670,974.29 = 720,856.98 : x
  2. Step 2: Convert to fraction form
    1,210,913.46/1,670,974.29 = 720,856.98/x
  3. Step 3: Cross multiply
    1,210,913.46x = 1,670,974.29 × 720,856.98
  4. Step 4: Simplify right side
    1,210,913.46x = 1,204,533,480,347.04
  5. Step 5: Solve for x
    x = 1,204,533,480,347.04/1,210,913.46
  6. Step 6: Final answer
    x = 994,731.27

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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.