Home / 1,122,238.10-1,683,029.10-402,496.40

Finding the Fourth Proportional to 1,122,238.10, 1,683,029.10 and 402,496.40

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Solution

The fourth proportional to 1,122,238.10, 1,683,029.10 and 402,496.40 is: 603,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,238.10 : 1,683,029.10 = 402,496.40 : x
  2. Step 2: Convert to fraction form
    1,122,238.10/1,683,029.10 = 402,496.40/x
  3. Step 3: Cross multiply
    1,122,238.10x = 1,683,029.10 × 402,496.40
  4. Step 4: Simplify right side
    1,122,238.10x = 677,413,153,845.24
  5. Step 5: Solve for x
    x = 677,413,153,845.24/1,122,238.10
  6. Step 6: Final answer
    x = 603,626.94

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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.