Home / 1,055,467.90-1,582,702.89-381,418.30

Finding the Fourth Proportional to 1,055,467.90, 1,582,702.89 and 381,418.30

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Solution

The fourth proportional to 1,055,467.90, 1,582,702.89 and 381,418.30 is: 571,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,467.90 : 1,582,702.89 = 381,418.30 : x
  2. Step 2: Convert to fraction form
    1,055,467.90/1,582,702.89 = 381,418.30/x
  3. Step 3: Cross multiply
    1,055,467.90x = 1,582,702.89 × 381,418.30
  4. Step 4: Simplify right side
    1,055,467.90x = 603,671,845,708.89
  5. Step 5: Solve for x
    x = 603,671,845,708.89/1,055,467.90
  6. Step 6: Final answer
    x = 571,947.14

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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.