Home / 1,037,926.40-1,556,889.60-289,971.20

Finding the Fourth Proportional to 1,037,926.40, 1,556,889.60 and 289,971.20

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Solution

The fourth proportional to 1,037,926.40, 1,556,889.60 and 289,971.20 is: 434,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,926.40 : 1,556,889.60 = 289,971.20 : x
  2. Step 2: Convert to fraction form
    1,037,926.40/1,556,889.60 = 289,971.20/x
  3. Step 3: Cross multiply
    1,037,926.40x = 1,556,889.60 × 289,971.20
  4. Step 4: Simplify right side
    1,037,926.40x = 451,453,145,579.52
  5. Step 5: Solve for x
    x = 451,453,145,579.52/1,037,926.40
  6. Step 6: Final answer
    x = 434,956.80

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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.