Home / 1,201,161.36-1,801,457.70-348,007.20

Finding the Fourth Proportional to 1,201,161.36, 1,801,457.70 and 348,007.20

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Solution

The fourth proportional to 1,201,161.36, 1,801,457.70 and 348,007.20 is: 521,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,161.36 : 1,801,457.70 = 348,007.20 : x
  2. Step 2: Convert to fraction form
    1,201,161.36/1,801,457.70 = 348,007.20/x
  3. Step 3: Cross multiply
    1,201,161.36x = 1,801,457.70 × 348,007.20
  4. Step 4: Simplify right side
    1,201,161.36x = 626,920,250,095.44
  5. Step 5: Solve for x
    x = 626,920,250,095.44/1,201,161.36
  6. Step 6: Final answer
    x = 521,928.42

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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.