Home / 1,087,230.12-1,631,386.97-488,619.24

Finding the Fourth Proportional to 1,087,230.12, 1,631,386.97 and 488,619.24

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Solution

The fourth proportional to 1,087,230.12, 1,631,386.97 and 488,619.24 is: 733,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,230.12 : 1,631,386.97 = 488,619.24 : x
  2. Step 2: Convert to fraction form
    1,087,230.12/1,631,386.97 = 488,619.24/x
  3. Step 3: Cross multiply
    1,087,230.12x = 1,631,386.97 × 488,619.24
  4. Step 4: Simplify right side
    1,087,230.12x = 797,127,061,427.30
  5. Step 5: Solve for x
    x = 797,127,061,427.30/1,087,230.12
  6. Step 6: Final answer
    x = 733,172.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.