Home / 1,673,337.04-2,309,223.12-909,390.80

Finding the Fourth Proportional to 1,673,337.04, 2,309,223.12 and 909,390.80

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Solution

The fourth proportional to 1,673,337.04, 2,309,223.12 and 909,390.80 is: 1,254,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,337.04 : 2,309,223.12 = 909,390.80 : x
  2. Step 2: Convert to fraction form
    1,673,337.04/2,309,223.12 = 909,390.80/x
  3. Step 3: Cross multiply
    1,673,337.04x = 2,309,223.12 × 909,390.80
  4. Step 4: Simplify right side
    1,673,337.04x = 2,099,986,260,475.30
  5. Step 5: Solve for x
    x = 2,099,986,260,475.30/1,673,337.04
  6. Step 6: Final answer
    x = 1,254,969.09

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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.