Home / 1,389,114.40-2,083,671.60-1,374,368.80

Finding the Fourth Proportional to 1,389,114.40, 2,083,671.60 and 1,374,368.80

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Solution

The fourth proportional to 1,389,114.40, 2,083,671.60 and 1,374,368.80 is: 2,061,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,114.40 : 2,083,671.60 = 1,374,368.80 : x
  2. Step 2: Convert to fraction form
    1,389,114.40/2,083,671.60 = 1,374,368.80/x
  3. Step 3: Cross multiply
    1,389,114.40x = 2,083,671.60 × 1,374,368.80
  4. Step 4: Simplify right side
    1,389,114.40x = 2,863,733,236,486.08
  5. Step 5: Solve for x
    x = 2,863,733,236,486.08/1,389,114.40
  6. Step 6: Final answer
    x = 2,061,553.20

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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.