Home / 1,064,253.80-1,468,476.87-628,742.05

Finding the Fourth Proportional to 1,064,253.80, 1,468,476.87 and 628,742.05

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Solution

The fourth proportional to 1,064,253.80, 1,468,476.87 and 628,742.05 is: 867,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,253.80 : 1,468,476.87 = 628,742.05 : x
  2. Step 2: Convert to fraction form
    1,064,253.80/1,468,476.87 = 628,742.05/x
  3. Step 3: Cross multiply
    1,064,253.80x = 1,468,476.87 × 628,742.05
  4. Step 4: Simplify right side
    1,064,253.80x = 923,293,154,477.67
  5. Step 5: Solve for x
    x = 923,293,154,477.67/1,064,253.80
  6. Step 6: Final answer
    x = 867,549.79

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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.