Home / 1,036,135.78-1,554,291.12-288,181.78

Finding the Fourth Proportional to 1,036,135.78, 1,554,291.12 and 288,181.78

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Solution

The fourth proportional to 1,036,135.78, 1,554,291.12 and 288,181.78 is: 432,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,135.78 : 1,554,291.12 = 288,181.78 : x
  2. Step 2: Convert to fraction form
    1,036,135.78/1,554,291.12 = 288,181.78/x
  3. Step 3: Cross multiply
    1,036,135.78x = 1,554,291.12 × 288,181.78
  4. Step 4: Simplify right side
    1,036,135.78x = 447,918,381,599.79
  5. Step 5: Solve for x
    x = 447,918,381,599.79/1,036,135.78
  6. Step 6: Final answer
    x = 432,296.99

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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.