Home / 1,036,765.01-1,555,042.35-278,507.95

Finding the Fourth Proportional to 1,036,765.01, 1,555,042.35 and 278,507.95

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Solution

The fourth proportional to 1,036,765.01, 1,555,042.35 and 278,507.95 is: 417,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,765.01 : 1,555,042.35 = 278,507.95 : x
  2. Step 2: Convert to fraction form
    1,036,765.01/1,555,042.35 = 278,507.95/x
  3. Step 3: Cross multiply
    1,036,765.01x = 1,555,042.35 × 278,507.95
  4. Step 4: Simplify right side
    1,036,765.01x = 433,091,657,061.68
  5. Step 5: Solve for x
    x = 433,091,657,061.68/1,036,765.01
  6. Step 6: Final answer
    x = 417,733.67

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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.