Home / 1,640,602.10-2,460,903.15-843,440.60

Finding the Fourth Proportional to 1,640,602.10, 2,460,903.15 and 843,440.60

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Solution

The fourth proportional to 1,640,602.10, 2,460,903.15 and 843,440.60 is: 1,265,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,602.10 : 2,460,903.15 = 843,440.60 : x
  2. Step 2: Convert to fraction form
    1,640,602.10/2,460,903.15 = 843,440.60/x
  3. Step 3: Cross multiply
    1,640,602.10x = 2,460,903.15 × 843,440.60
  4. Step 4: Simplify right side
    1,640,602.10x = 2,075,625,629,377.89
  5. Step 5: Solve for x
    x = 2,075,625,629,377.89/1,640,602.10
  6. Step 6: Final answer
    x = 1,265,160.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.