Home / 1,119,924.45-1,679,893.16-278,476.20

Finding the Fourth Proportional to 1,119,924.45, 1,679,893.16 and 278,476.20

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Solution

The fourth proportional to 1,119,924.45, 1,679,893.16 and 278,476.20 is: 417,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,924.45 : 1,679,893.16 = 278,476.20 : x
  2. Step 2: Convert to fraction form
    1,119,924.45/1,679,893.16 = 278,476.20/x
  3. Step 3: Cross multiply
    1,119,924.45x = 1,679,893.16 × 278,476.20
  4. Step 4: Simplify right side
    1,119,924.45x = 467,810,262,210.41
  5. Step 5: Solve for x
    x = 467,810,262,210.41/1,119,924.45
  6. Step 6: Final answer
    x = 417,715.91

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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.