Home / 1,036,806.67-1,555,208.79-288,852.67

Finding the Fourth Proportional to 1,036,806.67, 1,555,208.79 and 288,852.67

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Solution

The fourth proportional to 1,036,806.67, 1,555,208.79 and 288,852.67 is: 433,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,806.67 : 1,555,208.79 = 288,852.67 : x
  2. Step 2: Convert to fraction form
    1,036,806.67/1,555,208.79 = 288,852.67/x
  3. Step 3: Cross multiply
    1,036,806.67x = 1,555,208.79 × 288,852.67
  4. Step 4: Simplify right side
    1,036,806.67x = 449,226,211,398.97
  5. Step 5: Solve for x
    x = 449,226,211,398.97/1,036,806.67
  6. Step 6: Final answer
    x = 433,278.67

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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.