Home / 1,492,328.40-2,058,828.60-918,372.12

Finding the Fourth Proportional to 1,492,328.40, 2,058,828.60 and 918,372.12

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Solution

The fourth proportional to 1,492,328.40, 2,058,828.60 and 918,372.12 is: 1,266,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,328.40 : 2,058,828.60 = 918,372.12 : x
  2. Step 2: Convert to fraction form
    1,492,328.40/2,058,828.60 = 918,372.12/x
  3. Step 3: Cross multiply
    1,492,328.40x = 2,058,828.60 × 918,372.12
  4. Step 4: Simplify right side
    1,492,328.40x = 1,890,770,786,098.63
  5. Step 5: Solve for x
    x = 1,890,770,786,098.63/1,492,328.40
  6. Step 6: Final answer
    x = 1,266,993.77

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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.