Home / 1,122,317.10-1,683,147.60-402,575.40

Finding the Fourth Proportional to 1,122,317.10, 1,683,147.60 and 402,575.40

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Solution

The fourth proportional to 1,122,317.10, 1,683,147.60 and 402,575.40 is: 603,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,317.10 : 1,683,147.60 = 402,575.40 : x
  2. Step 2: Convert to fraction form
    1,122,317.10/1,683,147.60 = 402,575.40/x
  3. Step 3: Cross multiply
    1,122,317.10x = 1,683,147.60 × 402,575.40
  4. Step 4: Simplify right side
    1,122,317.10x = 677,593,818,329.04
  5. Step 5: Solve for x
    x = 677,593,818,329.04/1,122,317.10
  6. Step 6: Final answer
    x = 603,745.43

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1.5x scale

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.