Home / 1,673,288.12-2,309,152.20-909,341.60

Finding the Fourth Proportional to 1,673,288.12, 2,309,152.20 and 909,341.60

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Solution

The fourth proportional to 1,673,288.12, 2,309,152.20 and 909,341.60 is: 1,254,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,288.12 : 2,309,152.20 = 909,341.60 : x
  2. Step 2: Convert to fraction form
    1,673,288.12/2,309,152.20 = 909,341.60/x
  3. Step 3: Cross multiply
    1,673,288.12x = 2,309,152.20 × 909,341.60
  4. Step 4: Simplify right side
    1,673,288.12x = 2,099,808,156,191.52
  5. Step 5: Solve for x
    x = 2,099,808,156,191.52/1,673,288.12
  6. Step 6: Final answer
    x = 1,254,899.34

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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.