Home / 1,429,607.44-1,972,892.64-776,261.26

Finding the Fourth Proportional to 1,429,607.44, 1,972,892.64 and 776,261.26

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Solution

The fourth proportional to 1,429,607.44, 1,972,892.64 and 776,261.26 is: 1,071,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,607.44 : 1,972,892.64 = 776,261.26 : x
  2. Step 2: Convert to fraction form
    1,429,607.44/1,972,892.64 = 776,261.26/x
  3. Step 3: Cross multiply
    1,429,607.44x = 1,972,892.64 × 776,261.26
  4. Step 4: Simplify right side
    1,429,607.44x = 1,531,480,126,571.13
  5. Step 5: Solve for x
    x = 1,531,480,126,571.13/1,429,607.44
  6. Step 6: Final answer
    x = 1,071,259.20

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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.