Home / 1,036,809.75-1,555,303.73-288,855.75

Finding the Fourth Proportional to 1,036,809.75, 1,555,303.73 and 288,855.75

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Solution

The fourth proportional to 1,036,809.75, 1,555,303.73 and 288,855.75 is: 433,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,809.75 : 1,555,303.73 = 288,855.75 : x
  2. Step 2: Convert to fraction form
    1,036,809.75/1,555,303.73 = 288,855.75/x
  3. Step 3: Cross multiply
    1,036,809.75x = 1,555,303.73 × 288,855.75
  4. Step 4: Simplify right side
    1,036,809.75x = 449,258,425,406.95
  5. Step 5: Solve for x
    x = 449,258,425,406.95/1,036,809.75
  6. Step 6: Final answer
    x = 433,308.45

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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.