Home / 1,556,586.30-2,334,879.45-1,290,865.80

Finding the Fourth Proportional to 1,556,586.30, 2,334,879.45 and 1,290,865.80

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Solution

The fourth proportional to 1,556,586.30, 2,334,879.45 and 1,290,865.80 is: 1,936,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,586.30 : 2,334,879.45 = 1,290,865.80 : x
  2. Step 2: Convert to fraction form
    1,556,586.30/2,334,879.45 = 1,290,865.80/x
  3. Step 3: Cross multiply
    1,556,586.30x = 2,334,879.45 × 1,290,865.80
  4. Step 4: Simplify right side
    1,556,586.30x = 3,014,016,029,127.81
  5. Step 5: Solve for x
    x = 3,014,016,029,127.81/1,556,586.30
  6. Step 6: Final answer
    x = 1,936,298.70

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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.