Home / 1,098,875.97-1,650,840.35-775,408.41

Finding the Fourth Proportional to 1,098,875.97, 1,650,840.35 and 775,408.41

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Solution

The fourth proportional to 1,098,875.97, 1,650,840.35 and 775,408.41 is: 1,164,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,875.97 : 1,650,840.35 = 775,408.41 : x
  2. Step 2: Convert to fraction form
    1,098,875.97/1,650,840.35 = 775,408.41/x
  3. Step 3: Cross multiply
    1,098,875.97x = 1,650,840.35 × 775,408.41
  4. Step 4: Simplify right side
    1,098,875.97x = 1,280,075,487,080.30
  5. Step 5: Solve for x
    x = 1,280,075,487,080.30/1,098,875.97
  6. Step 6: Final answer
    x = 1,164,895.33

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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.