Home / 1,099,010.40-1,648,515.60-618,745.20

Finding the Fourth Proportional to 1,099,010.40, 1,648,515.60 and 618,745.20

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Solution

The fourth proportional to 1,099,010.40, 1,648,515.60 and 618,745.20 is: 928,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,010.40 : 1,648,515.60 = 618,745.20 : x
  2. Step 2: Convert to fraction form
    1,099,010.40/1,648,515.60 = 618,745.20/x
  3. Step 3: Cross multiply
    1,099,010.40x = 1,648,515.60 × 618,745.20
  4. Step 4: Simplify right side
    1,099,010.40x = 1,020,011,114,625.12
  5. Step 5: Solve for x
    x = 1,020,011,114,625.12/1,099,010.40
  6. Step 6: Final answer
    x = 928,117.80

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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.