Home / 1,673,348.42-2,309,155.80-909,385.58

Finding the Fourth Proportional to 1,673,348.42, 2,309,155.80 and 909,385.58

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Solution

The fourth proportional to 1,673,348.42, 2,309,155.80 and 909,385.58 is: 1,254,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,348.42 : 2,309,155.80 = 909,385.58 : x
  2. Step 2: Convert to fraction form
    1,673,348.42/2,309,155.80 = 909,385.58/x
  3. Step 3: Cross multiply
    1,673,348.42x = 2,309,155.80 × 909,385.58
  4. Step 4: Simplify right side
    1,673,348.42x = 2,099,912,988,856.06
  5. Step 5: Solve for x
    x = 2,099,912,988,856.06/1,673,348.42
  6. Step 6: Final answer
    x = 1,254,916.76

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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.