Home / 1,021,039.86-1,531,742.19-347,085.75

Finding the Fourth Proportional to 1,021,039.86, 1,531,742.19 and 347,085.75

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Solution

The fourth proportional to 1,021,039.86, 1,531,742.19 and 347,085.75 is: 520,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,039.86 : 1,531,742.19 = 347,085.75 : x
  2. Step 2: Convert to fraction form
    1,021,039.86/1,531,742.19 = 347,085.75/x
  3. Step 3: Cross multiply
    1,021,039.86x = 1,531,742.19 × 347,085.75
  4. Step 4: Simplify right side
    1,021,039.86x = 531,645,886,822.79
  5. Step 5: Solve for x
    x = 531,645,886,822.79/1,021,039.86
  6. Step 6: Final answer
    x = 520,690.63

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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.