Home / 1,581,390.40-2,372,231.40-516,438.04

Finding the Fourth Proportional to 1,581,390.40, 2,372,231.40 and 516,438.04

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Solution

The fourth proportional to 1,581,390.40, 2,372,231.40 and 516,438.04 is: 774,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,390.40 : 2,372,231.40 = 516,438.04 : x
  2. Step 2: Convert to fraction form
    1,581,390.40/2,372,231.40 = 516,438.04/x
  3. Step 3: Cross multiply
    1,581,390.40x = 2,372,231.40 × 516,438.04
  4. Step 4: Simplify right side
    1,581,390.40x = 1,225,110,534,642.46
  5. Step 5: Solve for x
    x = 1,225,110,534,642.46/1,581,390.40
  6. Step 6: Final answer
    x = 774,704.67

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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.