Home / 1,329,369.30-1,995,038.10-879,940.80

Finding the Fourth Proportional to 1,329,369.30, 1,995,038.10 and 879,940.80

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Solution

The fourth proportional to 1,329,369.30, 1,995,038.10 and 879,940.80 is: 1,320,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,369.30 : 1,995,038.10 = 879,940.80 : x
  2. Step 2: Convert to fraction form
    1,329,369.30/1,995,038.10 = 879,940.80/x
  3. Step 3: Cross multiply
    1,329,369.30x = 1,995,038.10 × 879,940.80
  4. Step 4: Simplify right side
    1,329,369.30x = 1,755,515,421,744.48
  5. Step 5: Solve for x
    x = 1,755,515,421,744.48/1,329,369.30
  6. Step 6: Final answer
    x = 1,320,562.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.