Home / 1,055,466.90-1,582,701.39-381,417.30

Finding the Fourth Proportional to 1,055,466.90, 1,582,701.39 and 381,417.30

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Solution

The fourth proportional to 1,055,466.90, 1,582,701.39 and 381,417.30 is: 571,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,466.90 : 1,582,701.39 = 381,417.30 : x
  2. Step 2: Convert to fraction form
    1,055,466.90/1,582,701.39 = 381,417.30/x
  3. Step 3: Cross multiply
    1,055,466.90x = 1,582,701.39 × 381,417.30
  4. Step 4: Simplify right side
    1,055,466.90x = 603,669,690,880.05
  5. Step 5: Solve for x
    x = 603,669,690,880.05/1,055,466.90
  6. Step 6: Final answer
    x = 571,945.64

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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.