Home / 1,580,364.68-2,180,903.26-855,212.40

Finding the Fourth Proportional to 1,580,364.68, 2,180,903.26 and 855,212.40

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Solution

The fourth proportional to 1,580,364.68, 2,180,903.26 and 855,212.40 is: 1,180,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,364.68 : 2,180,903.26 = 855,212.40 : x
  2. Step 2: Convert to fraction form
    1,580,364.68/2,180,903.26 = 855,212.40/x
  3. Step 3: Cross multiply
    1,580,364.68x = 2,180,903.26 × 855,212.40
  4. Step 4: Simplify right side
    1,580,364.68x = 1,865,135,511,152.42
  5. Step 5: Solve for x
    x = 1,865,135,511,152.42/1,580,364.68
  6. Step 6: Final answer
    x = 1,180,193.12

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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.