Home / 1,274,467.34-1,911,739.35-314,922.89

Finding the Fourth Proportional to 1,274,467.34, 1,911,739.35 and 314,922.89

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Solution

The fourth proportional to 1,274,467.34, 1,911,739.35 and 314,922.89 is: 472,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,467.34 : 1,911,739.35 = 314,922.89 : x
  2. Step 2: Convert to fraction form
    1,274,467.34/1,911,739.35 = 314,922.89/x
  3. Step 3: Cross multiply
    1,274,467.34x = 1,911,739.35 × 314,922.89
  4. Step 4: Simplify right side
    1,274,467.34x = 602,050,471,470.03
  5. Step 5: Solve for x
    x = 602,050,471,470.03/1,274,467.34
  6. Step 6: Final answer
    x = 472,393.80

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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.