Home / 1,055,645.67-1,583,446.35-256,931.67

Finding the Fourth Proportional to 1,055,645.67, 1,583,446.35 and 256,931.67

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Solution

The fourth proportional to 1,055,645.67, 1,583,446.35 and 256,931.67 is: 385,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,645.67 : 1,583,446.35 = 256,931.67 : x
  2. Step 2: Convert to fraction form
    1,055,645.67/1,583,446.35 = 256,931.67/x
  3. Step 3: Cross multiply
    1,055,645.67x = 1,583,446.35 × 256,931.67
  4. Step 4: Simplify right side
    1,055,645.67x = 406,837,515,060.91
  5. Step 5: Solve for x
    x = 406,837,515,060.91/1,055,645.67
  6. Step 6: Final answer
    x = 385,392.11

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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.