Home / 1,320,531.48-1,822,341.06-776,690.28

Finding the Fourth Proportional to 1,320,531.48, 1,822,341.06 and 776,690.28

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Solution

The fourth proportional to 1,320,531.48, 1,822,341.06 and 776,690.28 is: 1,071,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,531.48 : 1,822,341.06 = 776,690.28 : x
  2. Step 2: Convert to fraction form
    1,320,531.48/1,822,341.06 = 776,690.28/x
  3. Step 3: Cross multiply
    1,320,531.48x = 1,822,341.06 × 776,690.28
  4. Step 4: Simplify right side
    1,320,531.48x = 1,415,394,588,146.90
  5. Step 5: Solve for x
    x = 1,415,394,588,146.90/1,320,531.48
  6. Step 6: Final answer
    x = 1,071,837.07

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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.