Home / 1,407,998.10-1,943,041.56-763,418.46

Finding the Fourth Proportional to 1,407,998.10, 1,943,041.56 and 763,418.46

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Solution

The fourth proportional to 1,407,998.10, 1,943,041.56 and 763,418.46 is: 1,053,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,998.10 : 1,943,041.56 = 763,418.46 : x
  2. Step 2: Convert to fraction form
    1,407,998.10/1,943,041.56 = 763,418.46/x
  3. Step 3: Cross multiply
    1,407,998.10x = 1,943,041.56 × 763,418.46
  4. Step 4: Simplify right side
    1,407,998.10x = 1,483,353,795,451.20
  5. Step 5: Solve for x
    x = 1,483,353,795,451.20/1,407,998.10
  6. Step 6: Final answer
    x = 1,053,519.74

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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.