Home / 1,328,157.88-1,832,628.98-747,300.40

Finding the Fourth Proportional to 1,328,157.88, 1,832,628.98 and 747,300.40

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Solution

The fourth proportional to 1,328,157.88, 1,832,628.98 and 747,300.40 is: 1,031,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,157.88 : 1,832,628.98 = 747,300.40 : x
  2. Step 2: Convert to fraction form
    1,328,157.88/1,832,628.98 = 747,300.40/x
  3. Step 3: Cross multiply
    1,328,157.88x = 1,832,628.98 × 747,300.40
  4. Step 4: Simplify right side
    1,328,157.88x = 1,369,524,369,805.59
  5. Step 5: Solve for x
    x = 1,369,524,369,805.59/1,328,157.88
  6. Step 6: Final answer
    x = 1,031,145.76

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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.