Home / 1,344,039.67-1,854,774.21-740,427.67

Finding the Fourth Proportional to 1,344,039.67, 1,854,774.21 and 740,427.67

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Solution

The fourth proportional to 1,344,039.67, 1,854,774.21 and 740,427.67 is: 1,021,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,039.67 : 1,854,774.21 = 740,427.67 : x
  2. Step 2: Convert to fraction form
    1,344,039.67/1,854,774.21 = 740,427.67/x
  3. Step 3: Cross multiply
    1,344,039.67x = 1,854,774.21 × 740,427.67
  4. Step 4: Simplify right side
    1,344,039.67x = 1,373,326,146,686.39
  5. Step 5: Solve for x
    x = 1,373,326,146,686.39/1,344,039.67
  6. Step 6: Final answer
    x = 1,021,789.89

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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.