Home / 1,017,474.53-1,404,131.30-558,631.40

Finding the Fourth Proportional to 1,017,474.53, 1,404,131.30 and 558,631.40

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Solution

The fourth proportional to 1,017,474.53, 1,404,131.30 and 558,631.40 is: 770,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,474.53 : 1,404,131.30 = 558,631.40 : x
  2. Step 2: Convert to fraction form
    1,017,474.53/1,404,131.30 = 558,631.40/x
  3. Step 3: Cross multiply
    1,017,474.53x = 1,404,131.30 × 558,631.40
  4. Step 4: Simplify right side
    1,017,474.53x = 784,391,824,089.01
  5. Step 5: Solve for x
    x = 784,391,824,089.01/1,017,474.53
  6. Step 6: Final answer
    x = 770,920.36

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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.