Home / 1,087,034.60-1,629,968.70-455,234.60

Finding the Fourth Proportional to 1,087,034.60, 1,629,968.70 and 455,234.60

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Solution

The fourth proportional to 1,087,034.60, 1,629,968.70 and 455,234.60 is: 682,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,034.60 : 1,629,968.70 = 455,234.60 : x
  2. Step 2: Convert to fraction form
    1,087,034.60/1,629,968.70 = 455,234.60/x
  3. Step 3: Cross multiply
    1,087,034.60x = 1,629,968.70 × 455,234.60
  4. Step 4: Simplify right side
    1,087,034.60x = 742,018,149,157.02
  5. Step 5: Solve for x
    x = 742,018,149,157.02/1,087,034.60
  6. Step 6: Final answer
    x = 682,607.66

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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.