Home / 1,429,571.02-1,972,842.47-776,224.82

Finding the Fourth Proportional to 1,429,571.02, 1,972,842.47 and 776,224.82

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Solution

The fourth proportional to 1,429,571.02, 1,972,842.47 and 776,224.82 is: 1,071,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,571.02 : 1,972,842.47 = 776,224.82 : x
  2. Step 2: Convert to fraction form
    1,429,571.02/1,972,842.47 = 776,224.82/x
  3. Step 3: Cross multiply
    1,429,571.02x = 1,972,842.47 × 776,224.82
  4. Step 4: Simplify right side
    1,429,571.02x = 1,531,369,291,164.11
  5. Step 5: Solve for x
    x = 1,531,369,291,164.11/1,429,571.02
  6. Step 6: Final answer
    x = 1,071,208.96

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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.