Home / 1,118,946.60-1,678,241.70-370,992.60

Finding the Fourth Proportional to 1,118,946.60, 1,678,241.70 and 370,992.60

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Solution

The fourth proportional to 1,118,946.60, 1,678,241.70 and 370,992.60 is: 556,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,946.60 : 1,678,241.70 = 370,992.60 : x
  2. Step 2: Convert to fraction form
    1,118,946.60/1,678,241.70 = 370,992.60/x
  3. Step 3: Cross multiply
    1,118,946.60x = 1,678,241.70 × 370,992.60
  4. Step 4: Simplify right side
    1,118,946.60x = 622,615,251,711.42
  5. Step 5: Solve for x
    x = 622,615,251,711.42/1,118,946.60
  6. Step 6: Final answer
    x = 556,429.82

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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.