Home / 1,037,538.20-1,556,598.90-438,786.20

Finding the Fourth Proportional to 1,037,538.20, 1,556,598.90 and 438,786.20

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Solution

The fourth proportional to 1,037,538.20, 1,556,598.90 and 438,786.20 is: 658,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,538.20 : 1,556,598.90 = 438,786.20 : x
  2. Step 2: Convert to fraction form
    1,037,538.20/1,556,598.90 = 438,786.20/x
  3. Step 3: Cross multiply
    1,037,538.20x = 1,556,598.90 × 438,786.20
  4. Step 4: Simplify right side
    1,037,538.20x = 683,014,116,255.18
  5. Step 5: Solve for x
    x = 683,014,116,255.18/1,037,538.20
  6. Step 6: Final answer
    x = 658,302.62

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Double scale
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1.5x scale

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.