Home / 1,369,130.85-2,055,381.08-863,690.85

Finding the Fourth Proportional to 1,369,130.85, 2,055,381.08 and 863,690.85

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Solution

The fourth proportional to 1,369,130.85, 2,055,381.08 and 863,690.85 is: 1,296,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,130.85 : 2,055,381.08 = 863,690.85 : x
  2. Step 2: Convert to fraction form
    1,369,130.85/2,055,381.08 = 863,690.85/x
  3. Step 3: Cross multiply
    1,369,130.85x = 2,055,381.08 × 863,690.85
  4. Step 4: Simplify right side
    1,369,130.85x = 1,775,213,827,740.66
  5. Step 5: Solve for x
    x = 1,775,213,827,740.66/1,369,130.85
  6. Step 6: Final answer
    x = 1,296,599.10

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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.