Home / 1,048,090.80-1,572,136.20-768,154.80

Finding the Fourth Proportional to 1,048,090.80, 1,572,136.20 and 768,154.80

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Solution

The fourth proportional to 1,048,090.80, 1,572,136.20 and 768,154.80 is: 1,152,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,090.80 : 1,572,136.20 = 768,154.80 : x
  2. Step 2: Convert to fraction form
    1,048,090.80/1,572,136.20 = 768,154.80/x
  3. Step 3: Cross multiply
    1,048,090.80x = 1,572,136.20 × 768,154.80
  4. Step 4: Simplify right side
    1,048,090.80x = 1,207,643,968,283.76
  5. Step 5: Solve for x
    x = 1,207,643,968,283.76/1,048,090.80
  6. Step 6: Final answer
    x = 1,152,232.20

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Double scale
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Similar ratio
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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.