Home / 1,119,774.79-1,679,663.51-278,326.54

Finding the Fourth Proportional to 1,119,774.79, 1,679,663.51 and 278,326.54

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Solution

The fourth proportional to 1,119,774.79, 1,679,663.51 and 278,326.54 is: 417,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,774.79 : 1,679,663.51 = 278,326.54 : x
  2. Step 2: Convert to fraction form
    1,119,774.79/1,679,663.51 = 278,326.54/x
  3. Step 3: Cross multiply
    1,119,774.79x = 1,679,663.51 × 278,326.54
  4. Step 4: Simplify right side
    1,119,774.79x = 467,494,933,102.56
  5. Step 5: Solve for x
    x = 467,494,933,102.56/1,119,774.79
  6. Step 6: Final answer
    x = 417,490.14

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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.