Home / 1,677,673.53-2,315,489.69-989,303.67

Finding the Fourth Proportional to 1,677,673.53, 2,315,489.69 and 989,303.67

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Solution

The fourth proportional to 1,677,673.53, 2,315,489.69 and 989,303.67 is: 1,365,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,673.53 : 2,315,489.69 = 989,303.67 : x
  2. Step 2: Convert to fraction form
    1,677,673.53/2,315,489.69 = 989,303.67/x
  3. Step 3: Cross multiply
    1,677,673.53x = 2,315,489.69 × 989,303.67
  4. Step 4: Simplify right side
    1,677,673.53x = 2,290,722,450,637.42
  5. Step 5: Solve for x
    x = 2,290,722,450,637.42/1,677,673.53
  6. Step 6: Final answer
    x = 1,365,416.10

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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.