Home / 1,021,667.76-1,531,548.92-347,288.20

Finding the Fourth Proportional to 1,021,667.76, 1,531,548.92 and 347,288.20

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Solution

The fourth proportional to 1,021,667.76, 1,531,548.92 and 347,288.20 is: 520,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,667.76 : 1,531,548.92 = 347,288.20 : x
  2. Step 2: Convert to fraction form
    1,021,667.76/1,531,548.92 = 347,288.20/x
  3. Step 3: Cross multiply
    1,021,667.76x = 1,531,548.92 × 347,288.20
  4. Step 4: Simplify right side
    1,021,667.76x = 531,888,867,638.74
  5. Step 5: Solve for x
    x = 531,888,867,638.74/1,021,667.76
  6. Step 6: Final answer
    x = 520,608.45

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1.5x scale

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.