Home / 1,087,788.99-1,631,222.16-518,511.52

Finding the Fourth Proportional to 1,087,788.99, 1,631,222.16 and 518,511.52

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Solution

The fourth proportional to 1,087,788.99, 1,631,222.16 and 518,511.52 is: 777,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,788.99 : 1,631,222.16 = 518,511.52 : x
  2. Step 2: Convert to fraction form
    1,087,788.99/1,631,222.16 = 518,511.52/x
  3. Step 3: Cross multiply
    1,087,788.99x = 1,631,222.16 × 518,511.52
  4. Step 4: Simplify right side
    1,087,788.99x = 845,807,484,650.52
  5. Step 5: Solve for x
    x = 845,807,484,650.52/1,087,788.99
  6. Step 6: Final answer
    x = 777,547.39

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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.