Home / 1,492,685.15-2,058,277.64-1,008,409.43

Finding the Fourth Proportional to 1,492,685.15, 2,058,277.64 and 1,008,409.43

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Solution

The fourth proportional to 1,492,685.15, 2,058,277.64 and 1,008,409.43 is: 1,390,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,685.15 : 2,058,277.64 = 1,008,409.43 : x
  2. Step 2: Convert to fraction form
    1,492,685.15/2,058,277.64 = 1,008,409.43/x
  3. Step 3: Cross multiply
    1,492,685.15x = 2,058,277.64 × 1,008,409.43
  4. Step 4: Simplify right side
    1,492,685.15x = 2,075,586,581,837.79
  5. Step 5: Solve for x
    x = 2,075,586,581,837.79/1,492,685.15
  6. Step 6: Final answer
    x = 1,390,505.28

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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.