Home / 1,344,000.49-1,854,719.86-740,388.49

Finding the Fourth Proportional to 1,344,000.49, 1,854,719.86 and 740,388.49

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Solution

The fourth proportional to 1,344,000.49, 1,854,719.86 and 740,388.49 is: 1,021,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,000.49 : 1,854,719.86 = 740,388.49 : x
  2. Step 2: Convert to fraction form
    1,344,000.49/1,854,719.86 = 740,388.49/x
  3. Step 3: Cross multiply
    1,344,000.49x = 1,854,719.86 × 740,388.49
  4. Step 4: Simplify right side
    1,344,000.49x = 1,373,213,236,518.41
  5. Step 5: Solve for x
    x = 1,373,213,236,518.41/1,344,000.49
  6. Step 6: Final answer
    x = 1,021,735.67

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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.