Home / 1,455,946.86-2,184,231.33-509,348.46

Finding the Fourth Proportional to 1,455,946.86, 2,184,231.33 and 509,348.46

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Solution

The fourth proportional to 1,455,946.86, 2,184,231.33 and 509,348.46 is: 764,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,946.86 : 2,184,231.33 = 509,348.46 : x
  2. Step 2: Convert to fraction form
    1,455,946.86/2,184,231.33 = 509,348.46/x
  3. Step 3: Cross multiply
    1,455,946.86x = 2,184,231.33 × 509,348.46
  4. Step 4: Simplify right side
    1,455,946.86x = 1,112,534,864,219.25
  5. Step 5: Solve for x
    x = 1,112,534,864,219.25/1,455,946.86
  6. Step 6: Final answer
    x = 764,131.50

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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.