Home / 1,774,006.80-2,661,010.20-511,875.60

Finding the Fourth Proportional to 1,774,006.80, 2,661,010.20 and 511,875.60

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Solution

The fourth proportional to 1,774,006.80, 2,661,010.20 and 511,875.60 is: 767,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,006.80 : 2,661,010.20 = 511,875.60 : x
  2. Step 2: Convert to fraction form
    1,774,006.80/2,661,010.20 = 511,875.60/x
  3. Step 3: Cross multiply
    1,774,006.80x = 2,661,010.20 × 511,875.60
  4. Step 4: Simplify right side
    1,774,006.80x = 1,362,106,192,731.12
  5. Step 5: Solve for x
    x = 1,362,106,192,731.12/1,774,006.80
  6. Step 6: Final answer
    x = 767,813.40

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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.