Home / 1,417,280.42-1,955,858.43-772,705.30

Finding the Fourth Proportional to 1,417,280.42, 1,955,858.43 and 772,705.30

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Solution

The fourth proportional to 1,417,280.42, 1,955,858.43 and 772,705.30 is: 1,066,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,280.42 : 1,955,858.43 = 772,705.30 : x
  2. Step 2: Convert to fraction form
    1,417,280.42/1,955,858.43 = 772,705.30/x
  3. Step 3: Cross multiply
    1,417,280.42x = 1,955,858.43 × 772,705.30
  4. Step 4: Simplify right side
    1,417,280.42x = 1,511,302,174,910.68
  5. Step 5: Solve for x
    x = 1,511,302,174,910.68/1,417,280.42
  6. Step 6: Final answer
    x = 1,066,339.56

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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.