Home / 1,363,647.13-1,881,832.43-782,907.71

Finding the Fourth Proportional to 1,363,647.13, 1,881,832.43 and 782,907.71

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Solution

The fourth proportional to 1,363,647.13, 1,881,832.43 and 782,907.71 is: 1,080,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,647.13 : 1,881,832.43 = 782,907.71 : x
  2. Step 2: Convert to fraction form
    1,363,647.13/1,881,832.43 = 782,907.71/x
  3. Step 3: Cross multiply
    1,363,647.13x = 1,881,832.43 × 782,907.71
  4. Step 4: Simplify right side
    1,363,647.13x = 1,473,301,118,375.04
  5. Step 5: Solve for x
    x = 1,473,301,118,375.04/1,363,647.13
  6. Step 6: Final answer
    x = 1,080,412.29

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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.