Home / 1,298,036.20-1,947,054.30-456,478.60

Finding the Fourth Proportional to 1,298,036.20, 1,947,054.30 and 456,478.60

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Solution

The fourth proportional to 1,298,036.20, 1,947,054.30 and 456,478.60 is: 684,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,036.20 : 1,947,054.30 = 456,478.60 : x
  2. Step 2: Convert to fraction form
    1,298,036.20/1,947,054.30 = 456,478.60/x
  3. Step 3: Cross multiply
    1,298,036.20x = 1,947,054.30 × 456,478.60
  4. Step 4: Simplify right side
    1,298,036.20x = 888,788,620,987.98
  5. Step 5: Solve for x
    x = 888,788,620,987.98/1,298,036.20
  6. Step 6: Final answer
    x = 684,717.90

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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.