Home / 1,939,281.48-2,907,912.32-723,858.74

Finding the Fourth Proportional to 1,939,281.48, 2,907,912.32 and 723,858.74

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Solution

The fourth proportional to 1,939,281.48, 2,907,912.32 and 723,858.74 is: 1,085,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,281.48 : 2,907,912.32 = 723,858.74 : x
  2. Step 2: Convert to fraction form
    1,939,281.48/2,907,912.32 = 723,858.74/x
  3. Step 3: Cross multiply
    1,939,281.48x = 2,907,912.32 × 723,858.74
  4. Step 4: Simplify right side
    1,939,281.48x = 2,104,917,729,826.82
  5. Step 5: Solve for x
    x = 2,104,917,729,826.82/1,939,281.48
  6. Step 6: Final answer
    x = 1,085,411.14

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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.