Home / 1,201,570.88-1,658,054.40-718,039.76

Finding the Fourth Proportional to 1,201,570.88, 1,658,054.40 and 718,039.76

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Solution

The fourth proportional to 1,201,570.88, 1,658,054.40 and 718,039.76 is: 990,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,570.88 : 1,658,054.40 = 718,039.76 : x
  2. Step 2: Convert to fraction form
    1,201,570.88/1,658,054.40 = 718,039.76/x
  3. Step 3: Cross multiply
    1,201,570.88x = 1,658,054.40 × 718,039.76
  4. Step 4: Simplify right side
    1,201,570.88x = 1,190,548,983,442.94
  5. Step 5: Solve for x
    x = 1,190,548,983,442.94/1,201,570.88
  6. Step 6: Final answer
    x = 990,827.09

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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.