Home / 1,148,078.31-1,723,181.54-579,858.45

Finding the Fourth Proportional to 1,148,078.31, 1,723,181.54 and 579,858.45

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Solution

The fourth proportional to 1,148,078.31, 1,723,181.54 and 579,858.45 is: 870,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,078.31 : 1,723,181.54 = 579,858.45 : x
  2. Step 2: Convert to fraction form
    1,148,078.31/1,723,181.54 = 579,858.45/x
  3. Step 3: Cross multiply
    1,148,078.31x = 1,723,181.54 × 579,858.45
  4. Step 4: Simplify right side
    1,148,078.31x = 999,201,376,853.01
  5. Step 5: Solve for x
    x = 999,201,376,853.01/1,148,078.31
  6. Step 6: Final answer
    x = 870,325.11

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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.