Home / 1,253,437.35-1,729,763.64-680,477.06

Finding the Fourth Proportional to 1,253,437.35, 1,729,763.64 and 680,477.06

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Solution

The fourth proportional to 1,253,437.35, 1,729,763.64 and 680,477.06 is: 939,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,437.35 : 1,729,763.64 = 680,477.06 : x
  2. Step 2: Convert to fraction form
    1,253,437.35/1,729,763.64 = 680,477.06/x
  3. Step 3: Cross multiply
    1,253,437.35x = 1,729,763.64 × 680,477.06
  4. Step 4: Simplify right side
    1,253,437.35x = 1,177,064,480,566.51
  5. Step 5: Solve for x
    x = 1,177,064,480,566.51/1,253,437.35
  6. Step 6: Final answer
    x = 939,069.26

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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.