Home / 1,673,352.66-2,309,244.48-909,406.20

Finding the Fourth Proportional to 1,673,352.66, 2,309,244.48 and 909,406.20

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Solution

The fourth proportional to 1,673,352.66, 2,309,244.48 and 909,406.20 is: 1,254,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,352.66 : 2,309,244.48 = 909,406.20 : x
  2. Step 2: Convert to fraction form
    1,673,352.66/2,309,244.48 = 909,406.20/x
  3. Step 3: Cross multiply
    1,673,352.66x = 2,309,244.48 × 909,406.20
  4. Step 4: Simplify right side
    1,673,352.66x = 2,100,041,247,427.78
  5. Step 5: Solve for x
    x = 2,100,041,247,427.78/1,673,352.66
  6. Step 6: Final answer
    x = 1,254,990.23

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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.