Home / 1,774,002.80-2,661,004.20-511,871.60

Finding the Fourth Proportional to 1,774,002.80, 2,661,004.20 and 511,871.60

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Solution

The fourth proportional to 1,774,002.80, 2,661,004.20 and 511,871.60 is: 767,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,002.80 : 2,661,004.20 = 511,871.60 : x
  2. Step 2: Convert to fraction form
    1,774,002.80/2,661,004.20 = 511,871.60/x
  3. Step 3: Cross multiply
    1,774,002.80x = 2,661,004.20 × 511,871.60
  4. Step 4: Simplify right side
    1,774,002.80x = 1,362,092,477,460.72
  5. Step 5: Solve for x
    x = 1,362,092,477,460.72/1,774,002.80
  6. Step 6: Final answer
    x = 767,807.40

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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.