Home / 1,021,035.84-1,531,736.16-347,081.72

Finding the Fourth Proportional to 1,021,035.84, 1,531,736.16 and 347,081.72

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Solution

The fourth proportional to 1,021,035.84, 1,531,736.16 and 347,081.72 is: 520,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,035.84 : 1,531,736.16 = 347,081.72 : x
  2. Step 2: Convert to fraction form
    1,021,035.84/1,531,736.16 = 347,081.72/x
  3. Step 3: Cross multiply
    1,021,035.84x = 1,531,736.16 × 347,081.72
  4. Step 4: Simplify right side
    1,021,035.84x = 531,637,620,999.00
  5. Step 5: Solve for x
    x = 531,637,620,999.00/1,021,035.84
  6. Step 6: Final answer
    x = 520,684.58

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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.