Home / 1,119,658.90-1,679,492.66-340,679.33

Finding the Fourth Proportional to 1,119,658.90, 1,679,492.66 and 340,679.33

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Solution

The fourth proportional to 1,119,658.90, 1,679,492.66 and 340,679.33 is: 511,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,658.90 : 1,679,492.66 = 340,679.33 : x
  2. Step 2: Convert to fraction form
    1,119,658.90/1,679,492.66 = 340,679.33/x
  3. Step 3: Cross multiply
    1,119,658.90x = 1,679,492.66 × 340,679.33
  4. Step 4: Simplify right side
    1,119,658.90x = 572,168,441,709.42
  5. Step 5: Solve for x
    x = 572,168,441,709.42/1,119,658.90
  6. Step 6: Final answer
    x = 511,020.31

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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.