Home / 1,105,623-1,658,443.92-306,966.84

Finding the Fourth Proportional to 1,105,623, 1,658,443.92 and 306,966.84

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Solution

The fourth proportional to 1,105,623, 1,658,443.92 and 306,966.84 is: 460,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,623 : 1,658,443.92 = 306,966.84 : x
  2. Step 2: Convert to fraction form
    1,105,623/1,658,443.92 = 306,966.84/x
  3. Step 3: Cross multiply
    1,105,623x = 1,658,443.92 × 306,966.84
  4. Step 4: Simplify right side
    1,105,623x = 509,087,289,439.61
  5. Step 5: Solve for x
    x = 509,087,289,439.61/1,105,623
  6. Step 6: Final answer
    x = 460,452.88

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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.