Home / 1,119,659.40-1,679,493.41-340,679.84

Finding the Fourth Proportional to 1,119,659.40, 1,679,493.41 and 340,679.84

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Solution

The fourth proportional to 1,119,659.40, 1,679,493.41 and 340,679.84 is: 511,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,659.40 : 1,679,493.41 = 340,679.84 : x
  2. Step 2: Convert to fraction form
    1,119,659.40/1,679,493.41 = 340,679.84/x
  3. Step 3: Cross multiply
    1,119,659.40x = 1,679,493.41 × 340,679.84
  4. Step 4: Simplify right side
    1,119,659.40x = 572,169,537,802.39
  5. Step 5: Solve for x
    x = 572,169,537,802.39/1,119,659.40
  6. Step 6: Final answer
    x = 511,021.06

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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.