Home / 1,036,990.17-1,555,486.20-289,036.17

Finding the Fourth Proportional to 1,036,990.17, 1,555,486.20 and 289,036.17

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Solution

The fourth proportional to 1,036,990.17, 1,555,486.20 and 289,036.17 is: 433,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,990.17 : 1,555,486.20 = 289,036.17 : x
  2. Step 2: Convert to fraction form
    1,036,990.17/1,555,486.20 = 289,036.17/x
  3. Step 3: Cross multiply
    1,036,990.17x = 1,555,486.20 × 289,036.17
  4. Step 4: Simplify right side
    1,036,990.17x = 449,591,773,735.85
  5. Step 5: Solve for x
    x = 449,591,773,735.85/1,036,990.17
  6. Step 6: Final answer
    x = 433,554.52

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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.