Home / 1,492,318.66-2,058,815.10-918,362.38

Finding the Fourth Proportional to 1,492,318.66, 2,058,815.10 and 918,362.38

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Solution

The fourth proportional to 1,492,318.66, 2,058,815.10 and 918,362.38 is: 1,266,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,318.66 : 2,058,815.10 = 918,362.38 : x
  2. Step 2: Convert to fraction form
    1,492,318.66/2,058,815.10 = 918,362.38/x
  3. Step 3: Cross multiply
    1,492,318.66x = 2,058,815.10 × 918,362.38
  4. Step 4: Simplify right side
    1,492,318.66x = 1,890,738,335,215.94
  5. Step 5: Solve for x
    x = 1,890,738,335,215.94/1,492,318.66
  6. Step 6: Final answer
    x = 1,266,980.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.