Home / 1,055,645.42-1,583,445.98-256,931.42

Finding the Fourth Proportional to 1,055,645.42, 1,583,445.98 and 256,931.42

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Solution

The fourth proportional to 1,055,645.42, 1,583,445.98 and 256,931.42 is: 385,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,645.42 : 1,583,445.98 = 256,931.42 : x
  2. Step 2: Convert to fraction form
    1,055,645.42/1,583,445.98 = 256,931.42/x
  3. Step 3: Cross multiply
    1,055,645.42x = 1,583,445.98 × 256,931.42
  4. Step 4: Simplify right side
    1,055,645.42x = 406,837,014,932.81
  5. Step 5: Solve for x
    x = 406,837,014,932.81/1,055,645.42
  6. Step 6: Final answer
    x = 385,391.73

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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.