Home / 1,440,741.70-1,988,300.08-828,987.41

Finding the Fourth Proportional to 1,440,741.70, 1,988,300.08 and 828,987.41

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Solution

The fourth proportional to 1,440,741.70, 1,988,300.08 and 828,987.41 is: 1,144,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,741.70 : 1,988,300.08 = 828,987.41 : x
  2. Step 2: Convert to fraction form
    1,440,741.70/1,988,300.08 = 828,987.41/x
  3. Step 3: Cross multiply
    1,440,741.70x = 1,988,300.08 × 828,987.41
  4. Step 4: Simplify right side
    1,440,741.70x = 1,648,275,739,628.98
  5. Step 5: Solve for x
    x = 1,648,275,739,628.98/1,440,741.70
  6. Step 6: Final answer
    x = 1,144,046.67

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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.