Home / 1,054,423.64-1,581,556.55-380,504.93

Finding the Fourth Proportional to 1,054,423.64, 1,581,556.55 and 380,504.93

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Solution

The fourth proportional to 1,054,423.64, 1,581,556.55 and 380,504.93 is: 570,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,423.64 : 1,581,556.55 = 380,504.93 : x
  2. Step 2: Convert to fraction form
    1,054,423.64/1,581,556.55 = 380,504.93/x
  3. Step 3: Cross multiply
    1,054,423.64x = 1,581,556.55 × 380,504.93
  4. Step 4: Simplify right side
    1,054,423.64x = 601,790,054,538.48
  5. Step 5: Solve for x
    x = 601,790,054,538.48/1,054,423.64
  6. Step 6: Final answer
    x = 570,728.91

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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.