Home / 1,478,361.90-2,040,135.59-824,981.06

Finding the Fourth Proportional to 1,478,361.90, 2,040,135.59 and 824,981.06

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Solution

The fourth proportional to 1,478,361.90, 2,040,135.59 and 824,981.06 is: 1,138,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,361.90 : 2,040,135.59 = 824,981.06 : x
  2. Step 2: Convert to fraction form
    1,478,361.90/2,040,135.59 = 824,981.06/x
  3. Step 3: Cross multiply
    1,478,361.90x = 2,040,135.59 × 824,981.06
  4. Step 4: Simplify right side
    1,478,361.90x = 1,683,073,226,682.26
  5. Step 5: Solve for x
    x = 1,683,073,226,682.26/1,478,361.90
  6. Step 6: Final answer
    x = 1,138,471.73

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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.