Home / 1,122,446.19-1,683,664.43-280,995.51

Finding the Fourth Proportional to 1,122,446.19, 1,683,664.43 and 280,995.51

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Solution

The fourth proportional to 1,122,446.19, 1,683,664.43 and 280,995.51 is: 421,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,446.19 : 1,683,664.43 = 280,995.51 : x
  2. Step 2: Convert to fraction form
    1,122,446.19/1,683,664.43 = 280,995.51/x
  3. Step 3: Cross multiply
    1,122,446.19x = 1,683,664.43 × 280,995.51
  4. Step 4: Simplify right side
    1,122,446.19x = 473,102,143,771.73
  5. Step 5: Solve for x
    x = 473,102,143,771.73/1,122,446.19
  6. Step 6: Final answer
    x = 421,492.05

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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.