Home / 1,303,137.12-1,956,855.42-879,395.34

Finding the Fourth Proportional to 1,303,137.12, 1,956,855.42 and 879,395.34

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Solution

The fourth proportional to 1,303,137.12, 1,956,855.42 and 879,395.34 is: 1,320,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,137.12 : 1,956,855.42 = 879,395.34 : x
  2. Step 2: Convert to fraction form
    1,303,137.12/1,956,855.42 = 879,395.34/x
  3. Step 3: Cross multiply
    1,303,137.12x = 1,956,855.42 × 879,395.34
  4. Step 4: Simplify right side
    1,303,137.12x = 1,720,849,537,401.74
  5. Step 5: Solve for x
    x = 1,720,849,537,401.74/1,303,137.12
  6. Step 6: Final answer
    x = 1,320,543.72

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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.