Home / 1,155,942.81-1,733,484.11-397,571.40

Finding the Fourth Proportional to 1,155,942.81, 1,733,484.11 and 397,571.40

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Solution

The fourth proportional to 1,155,942.81, 1,733,484.11 and 397,571.40 is: 596,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,942.81 : 1,733,484.11 = 397,571.40 : x
  2. Step 2: Convert to fraction form
    1,155,942.81/1,733,484.11 = 397,571.40/x
  3. Step 3: Cross multiply
    1,155,942.81x = 1,733,484.11 × 397,571.40
  4. Step 4: Simplify right side
    1,155,942.81x = 689,183,702,502.60
  5. Step 5: Solve for x
    x = 689,183,702,502.60/1,155,942.81
  6. Step 6: Final answer
    x = 596,209.17

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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.