Home / 1,426,213.78-2,139,398.58-361,265.06

Finding the Fourth Proportional to 1,426,213.78, 2,139,398.58 and 361,265.06

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Solution

The fourth proportional to 1,426,213.78, 2,139,398.58 and 361,265.06 is: 541,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,213.78 : 2,139,398.58 = 361,265.06 : x
  2. Step 2: Convert to fraction form
    1,426,213.78/2,139,398.58 = 361,265.06/x
  3. Step 3: Cross multiply
    1,426,213.78x = 2,139,398.58 × 361,265.06
  4. Step 4: Simplify right side
    1,426,213.78x = 772,889,961,038.74
  5. Step 5: Solve for x
    x = 772,889,961,038.74/1,426,213.78
  6. Step 6: Final answer
    x = 541,917.33

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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.