Home / 690,123.76-1,035,199.42-184,683.94

Finding the Fourth Proportional to 690,123.76, 1,035,199.42 and 184,683.94

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Solution

The fourth proportional to 690,123.76, 1,035,199.42 and 184,683.94 is: 277,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,123.76 : 1,035,199.42 = 184,683.94 : x
  2. Step 2: Convert to fraction form
    690,123.76/1,035,199.42 = 184,683.94/x
  3. Step 3: Cross multiply
    690,123.76x = 1,035,199.42 × 184,683.94
  4. Step 4: Simplify right side
    690,123.76x = 191,184,707,571.32
  5. Step 5: Solve for x
    x = 191,184,707,571.32/690,123.76
  6. Step 6: Final answer
    x = 277,029.60

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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.