Home / 1,323,072.51-1,982,110.73-781,713.47

Finding the Fourth Proportional to 1,323,072.51, 1,982,110.73 and 781,713.47

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Solution

The fourth proportional to 1,323,072.51, 1,982,110.73 and 781,713.47 is: 1,171,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,072.51 : 1,982,110.73 = 781,713.47 : x
  2. Step 2: Convert to fraction form
    1,323,072.51/1,982,110.73 = 781,713.47/x
  3. Step 3: Cross multiply
    1,323,072.51x = 1,982,110.73 × 781,713.47
  4. Step 4: Simplify right side
    1,323,072.51x = 1,549,442,642,853.41
  5. Step 5: Solve for x
    x = 1,549,442,642,853.41/1,323,072.51
  6. Step 6: Final answer
    x = 1,171,094.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.