Home / 1,492,300.40-2,058,789.96-918,344.12

Finding the Fourth Proportional to 1,492,300.40, 2,058,789.96 and 918,344.12

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Solution

The fourth proportional to 1,492,300.40, 2,058,789.96 and 918,344.12 is: 1,266,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,300.40 : 2,058,789.96 = 918,344.12 : x
  2. Step 2: Convert to fraction form
    1,492,300.40/2,058,789.96 = 918,344.12/x
  3. Step 3: Cross multiply
    1,492,300.40x = 2,058,789.96 × 918,344.12
  4. Step 4: Simplify right side
    1,492,300.40x = 1,890,677,643,787.09
  5. Step 5: Solve for x
    x = 1,890,677,643,787.09/1,492,300.40
  6. Step 6: Final answer
    x = 1,266,955.13

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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.