Home / 1,406,139.41-1,940,462.73-761,544.86

Finding the Fourth Proportional to 1,406,139.41, 1,940,462.73 and 761,544.86

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Solution

The fourth proportional to 1,406,139.41, 1,940,462.73 and 761,544.86 is: 1,050,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,139.41 : 1,940,462.73 = 761,544.86 : x
  2. Step 2: Convert to fraction form
    1,406,139.41/1,940,462.73 = 761,544.86/x
  3. Step 3: Cross multiply
    1,406,139.41x = 1,940,462.73 × 761,544.86
  4. Step 4: Simplify right side
    1,406,139.41x = 1,477,749,408,350.75
  5. Step 5: Solve for x
    x = 1,477,749,408,350.75/1,406,139.41
  6. Step 6: Final answer
    x = 1,050,926.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.