Home / 1,563,423.12-2,345,538.90-915,546.42

Finding the Fourth Proportional to 1,563,423.12, 2,345,538.90 and 915,546.42

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Solution

The fourth proportional to 1,563,423.12, 2,345,538.90 and 915,546.42 is: 1,373,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,423.12 : 2,345,538.90 = 915,546.42 : x
  2. Step 2: Convert to fraction form
    1,563,423.12/2,345,538.90 = 915,546.42/x
  3. Step 3: Cross multiply
    1,563,423.12x = 2,345,538.90 × 915,546.42
  4. Step 4: Simplify right side
    1,563,423.12x = 2,147,449,742,865.74
  5. Step 5: Solve for x
    x = 2,147,449,742,865.74/1,563,423.12
  6. Step 6: Final answer
    x = 1,373,556.34

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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.