Home / 1,120,098.36-1,680,036.81-445,998.67

Finding the Fourth Proportional to 1,120,098.36, 1,680,036.81 and 445,998.67

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Solution

The fourth proportional to 1,120,098.36, 1,680,036.81 and 445,998.67 is: 668,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,098.36 : 1,680,036.81 = 445,998.67 : x
  2. Step 2: Convert to fraction form
    1,120,098.36/1,680,036.81 = 445,998.67/x
  3. Step 3: Cross multiply
    1,120,098.36x = 1,680,036.81 × 445,998.67
  4. Step 4: Simplify right side
    1,120,098.36x = 749,294,182,811.04
  5. Step 5: Solve for x
    x = 749,294,182,811.04/1,120,098.36
  6. Step 6: Final answer
    x = 668,953.91

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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.