Home / 1,407,218.54-2,110,807.75-342,262.53

Finding the Fourth Proportional to 1,407,218.54, 2,110,807.75 and 342,262.53

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Solution

The fourth proportional to 1,407,218.54, 2,110,807.75 and 342,262.53 is: 513,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,218.54 : 2,110,807.75 = 342,262.53 : x
  2. Step 2: Convert to fraction form
    1,407,218.54/2,110,807.75 = 342,262.53/x
  3. Step 3: Cross multiply
    1,407,218.54x = 2,110,807.75 × 342,262.53
  4. Step 4: Simplify right side
    1,407,218.54x = 722,450,400,858.61
  5. Step 5: Solve for x
    x = 722,450,400,858.61/1,407,218.54
  6. Step 6: Final answer
    x = 513,388.92

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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.