Home / 1,628,158.78-2,246,997.07-903,240.03

Finding the Fourth Proportional to 1,628,158.78, 2,246,997.07 and 903,240.03

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Solution

The fourth proportional to 1,628,158.78, 2,246,997.07 and 903,240.03 is: 1,246,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,158.78 : 2,246,997.07 = 903,240.03 : x
  2. Step 2: Convert to fraction form
    1,628,158.78/2,246,997.07 = 903,240.03/x
  3. Step 3: Cross multiply
    1,628,158.78x = 2,246,997.07 × 903,240.03
  4. Step 4: Simplify right side
    1,628,158.78x = 2,029,577,700,916.71
  5. Step 5: Solve for x
    x = 2,029,577,700,916.71/1,628,158.78
  6. Step 6: Final answer
    x = 1,246,547.77

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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.