Home / 1,918,150.78-2,646,859.50-1,058,655.63

Finding the Fourth Proportional to 1,918,150.78, 2,646,859.50 and 1,058,655.63

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Solution

The fourth proportional to 1,918,150.78, 2,646,859.50 and 1,058,655.63 is: 1,460,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,150.78 : 2,646,859.50 = 1,058,655.63 : x
  2. Step 2: Convert to fraction form
    1,918,150.78/2,646,859.50 = 1,058,655.63/x
  3. Step 3: Cross multiply
    1,918,150.78x = 2,646,859.50 × 1,058,655.63
  4. Step 4: Simplify right side
    1,918,150.78x = 2,802,112,711,493.99
  5. Step 5: Solve for x
    x = 2,802,112,711,493.99/1,918,150.78
  6. Step 6: Final answer
    x = 1,460,840.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.