Home / 1,105,648.81-1,658,482.43-306,992.63

Finding the Fourth Proportional to 1,105,648.81, 1,658,482.43 and 306,992.63

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Solution

The fourth proportional to 1,105,648.81, 1,658,482.43 and 306,992.63 is: 460,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,648.81 : 1,658,482.43 = 306,992.63 : x
  2. Step 2: Convert to fraction form
    1,105,648.81/1,658,482.43 = 306,992.63/x
  3. Step 3: Cross multiply
    1,105,648.81x = 1,658,482.43 × 306,992.63
  4. Step 4: Simplify right side
    1,105,648.81x = 509,141,885,605.73
  5. Step 5: Solve for x
    x = 509,141,885,605.73/1,105,648.81
  6. Step 6: Final answer
    x = 460,491.51

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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.