Home / 1,078,060.40-1,617,095.40-279,285.20

Finding the Fourth Proportional to 1,078,060.40, 1,617,095.40 and 279,285.20

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Solution

The fourth proportional to 1,078,060.40, 1,617,095.40 and 279,285.20 is: 418,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,060.40 : 1,617,095.40 = 279,285.20 : x
  2. Step 2: Convert to fraction form
    1,078,060.40/1,617,095.40 = 279,285.20/x
  3. Step 3: Cross multiply
    1,078,060.40x = 1,617,095.40 × 279,285.20
  4. Step 4: Simplify right side
    1,078,060.40x = 451,630,812,208.08
  5. Step 5: Solve for x
    x = 451,630,812,208.08/1,078,060.40
  6. Step 6: Final answer
    x = 418,929.04

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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.