Home / 1,018,394.56-1,405,763.20-874,577.60

Finding the Fourth Proportional to 1,018,394.56, 1,405,763.20 and 874,577.60

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Solution

The fourth proportional to 1,018,394.56, 1,405,763.20 and 874,577.60 is: 1,207,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,394.56 : 1,405,763.20 = 874,577.60 : x
  2. Step 2: Convert to fraction form
    1,018,394.56/1,405,763.20 = 874,577.60/x
  3. Step 3: Cross multiply
    1,018,394.56x = 1,405,763.20 × 874,577.60
  4. Step 4: Simplify right side
    1,018,394.56x = 1,229,449,005,624.32
  5. Step 5: Solve for x
    x = 1,229,449,005,624.32/1,018,394.56
  6. Step 6: Final answer
    x = 1,207,242.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.