Home / 1,405,178.12-2,108,102.50-458,550.60

Finding the Fourth Proportional to 1,405,178.12, 2,108,102.50 and 458,550.60

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Solution

The fourth proportional to 1,405,178.12, 2,108,102.50 and 458,550.60 is: 687,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,178.12 : 2,108,102.50 = 458,550.60 : x
  2. Step 2: Convert to fraction form
    1,405,178.12/2,108,102.50 = 458,550.60/x
  3. Step 3: Cross multiply
    1,405,178.12x = 2,108,102.50 × 458,550.60
  4. Step 4: Simplify right side
    1,405,178.12x = 966,671,666,236.50
  5. Step 5: Solve for x
    x = 966,671,666,236.50/1,405,178.12
  6. Step 6: Final answer
    x = 687,935.32

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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.