Home / 1,324,838.72-1,985,929.28-615,365.04

Finding the Fourth Proportional to 1,324,838.72, 1,985,929.28 and 615,365.04

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Solution

The fourth proportional to 1,324,838.72, 1,985,929.28 and 615,365.04 is: 922,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,838.72 : 1,985,929.28 = 615,365.04 : x
  2. Step 2: Convert to fraction form
    1,324,838.72/1,985,929.28 = 615,365.04/x
  3. Step 3: Cross multiply
    1,324,838.72x = 1,985,929.28 × 615,365.04
  4. Step 4: Simplify right side
    1,324,838.72x = 1,222,071,450,824.37
  5. Step 5: Solve for x
    x = 1,222,071,450,824.37/1,324,838.72
  6. Step 6: Final answer
    x = 922,430.36

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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.