Home / 1,360,965.76-1,878,010.56-788,044.80

Finding the Fourth Proportional to 1,360,965.76, 1,878,010.56 and 788,044.80

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Solution

The fourth proportional to 1,360,965.76, 1,878,010.56 and 788,044.80 is: 1,087,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,965.76 : 1,878,010.56 = 788,044.80 : x
  2. Step 2: Convert to fraction form
    1,360,965.76/1,878,010.56 = 788,044.80/x
  3. Step 3: Cross multiply
    1,360,965.76x = 1,878,010.56 × 788,044.80
  4. Step 4: Simplify right side
    1,360,965.76x = 1,479,956,456,153.09
  5. Step 5: Solve for x
    x = 1,479,956,456,153.09/1,360,965.76
  6. Step 6: Final answer
    x = 1,087,431.07

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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.