Home / 1,404,315.36-1,938,172.32-922,278.96

Finding the Fourth Proportional to 1,404,315.36, 1,938,172.32 and 922,278.96

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Solution

The fourth proportional to 1,404,315.36, 1,938,172.32 and 922,278.96 is: 1,272,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,315.36 : 1,938,172.32 = 922,278.96 : x
  2. Step 2: Convert to fraction form
    1,404,315.36/1,938,172.32 = 922,278.96/x
  3. Step 3: Cross multiply
    1,404,315.36x = 1,938,172.32 × 922,278.96
  4. Step 4: Simplify right side
    1,404,315.36x = 1,787,535,551,590.39
  5. Step 5: Solve for x
    x = 1,787,535,551,590.39/1,404,315.36
  6. Step 6: Final answer
    x = 1,272,887.56

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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.