Home / 1,075,896.12-1,484,291.70-640,227

Finding the Fourth Proportional to 1,075,896.12, 1,484,291.70 and 640,227

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Solution

The fourth proportional to 1,075,896.12, 1,484,291.70 and 640,227 is: 883,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,896.12 : 1,484,291.70 = 640,227 : x
  2. Step 2: Convert to fraction form
    1,075,896.12/1,484,291.70 = 640,227/x
  3. Step 3: Cross multiply
    1,075,896.12x = 1,484,291.70 × 640,227
  4. Step 4: Simplify right side
    1,075,896.12x = 950,283,622,215.90
  5. Step 5: Solve for x
    x = 950,283,622,215.90/1,075,896.12
  6. Step 6: Final answer
    x = 883,248.49

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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.