Home / 1,095,003.12-1,642,504.68-412,018.40

Finding the Fourth Proportional to 1,095,003.12, 1,642,504.68 and 412,018.40

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Solution

The fourth proportional to 1,095,003.12, 1,642,504.68 and 412,018.40 is: 618,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,003.12 : 1,642,504.68 = 412,018.40 : x
  2. Step 2: Convert to fraction form
    1,095,003.12/1,642,504.68 = 412,018.40/x
  3. Step 3: Cross multiply
    1,095,003.12x = 1,642,504.68 × 412,018.40
  4. Step 4: Simplify right side
    1,095,003.12x = 676,742,150,246.11
  5. Step 5: Solve for x
    x = 676,742,150,246.11/1,095,003.12
  6. Step 6: Final answer
    x = 618,027.60

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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.