Home / 1,048,363.20-1,572,544.80-260,395.20

Finding the Fourth Proportional to 1,048,363.20, 1,572,544.80 and 260,395.20

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Solution

The fourth proportional to 1,048,363.20, 1,572,544.80 and 260,395.20 is: 390,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,363.20 : 1,572,544.80 = 260,395.20 : x
  2. Step 2: Convert to fraction form
    1,048,363.20/1,572,544.80 = 260,395.20/x
  3. Step 3: Cross multiply
    1,048,363.20x = 1,572,544.80 × 260,395.20
  4. Step 4: Simplify right side
    1,048,363.20x = 409,483,117,704.96
  5. Step 5: Solve for x
    x = 409,483,117,704.96/1,048,363.20
  6. Step 6: Final answer
    x = 390,592.80

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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.