Home / 1,339,671.42-2,009,526.03-393,061.68

Finding the Fourth Proportional to 1,339,671.42, 2,009,526.03 and 393,061.68

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Solution

The fourth proportional to 1,339,671.42, 2,009,526.03 and 393,061.68 is: 589,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,671.42 : 2,009,526.03 = 393,061.68 : x
  2. Step 2: Convert to fraction form
    1,339,671.42/2,009,526.03 = 393,061.68/x
  3. Step 3: Cross multiply
    1,339,671.42x = 2,009,526.03 × 393,061.68
  4. Step 4: Simplify right side
    1,339,671.42x = 789,867,677,355.53
  5. Step 5: Solve for x
    x = 789,867,677,355.53/1,339,671.42
  6. Step 6: Final answer
    x = 589,598.07

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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.