Home / 1,673,348.72-2,309,235.72-909,402.44

Finding the Fourth Proportional to 1,673,348.72, 2,309,235.72 and 909,402.44

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Solution

The fourth proportional to 1,673,348.72, 2,309,235.72 and 909,402.44 is: 1,254,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,348.72 : 2,309,235.72 = 909,402.44 : x
  2. Step 2: Convert to fraction form
    1,673,348.72/2,309,235.72 = 909,402.44/x
  3. Step 3: Cross multiply
    1,673,348.72x = 2,309,235.72 × 909,402.44
  4. Step 4: Simplify right side
    1,673,348.72x = 2,100,024,598,303.16
  5. Step 5: Solve for x
    x = 2,100,024,598,303.16/1,673,348.72
  6. Step 6: Final answer
    x = 1,254,983.24

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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.