Home / 1,390,563.90-2,082,052.62-1,052,580.06

Finding the Fourth Proportional to 1,390,563.90, 2,082,052.62 and 1,052,580.06

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Solution

The fourth proportional to 1,390,563.90, 2,082,052.62 and 1,052,580.06 is: 1,575,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,563.90 : 2,082,052.62 = 1,052,580.06 : x
  2. Step 2: Convert to fraction form
    1,390,563.90/2,082,052.62 = 1,052,580.06/x
  3. Step 3: Cross multiply
    1,390,563.90x = 2,082,052.62 × 1,052,580.06
  4. Step 4: Simplify right side
    1,390,563.90x = 2,191,527,071,682.76
  5. Step 5: Solve for x
    x = 2,191,527,071,682.76/1,390,563.90
  6. Step 6: Final answer
    x = 1,575,998.82

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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.