Home / 1,119,846.47-1,679,775.86-278,398.22

Finding the Fourth Proportional to 1,119,846.47, 1,679,775.86 and 278,398.22

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Solution

The fourth proportional to 1,119,846.47, 1,679,775.86 and 278,398.22 is: 417,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,846.47 : 1,679,775.86 = 278,398.22 : x
  2. Step 2: Convert to fraction form
    1,119,846.47/1,679,775.86 = 278,398.22/x
  3. Step 3: Cross multiply
    1,119,846.47x = 1,679,775.86 × 278,398.22
  4. Step 4: Simplify right side
    1,119,846.47x = 467,646,599,632.10
  5. Step 5: Solve for x
    x = 467,646,599,632.10/1,119,846.47
  6. Step 6: Final answer
    x = 417,598.85

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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.