Home / 1,673,407.17-2,309,289.21-909,466.20

Finding the Fourth Proportional to 1,673,407.17, 2,309,289.21 and 909,466.20

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Solution

The fourth proportional to 1,673,407.17, 2,309,289.21 and 909,466.20 is: 1,255,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,407.17 : 2,309,289.21 = 909,466.20 : x
  2. Step 2: Convert to fraction form
    1,673,407.17/2,309,289.21 = 909,466.20/x
  3. Step 3: Cross multiply
    1,673,407.17x = 2,309,289.21 × 909,466.20
  4. Step 4: Simplify right side
    1,673,407.17x = 2,100,220,482,519.70
  5. Step 5: Solve for x
    x = 2,100,220,482,519.70/1,673,407.17
  6. Step 6: Final answer
    x = 1,255,056.46

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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.