Home / 1,369,716.08-1,890,263.89-757,858.88

Finding the Fourth Proportional to 1,369,716.08, 1,890,263.89 and 757,858.88

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Solution

The fourth proportional to 1,369,716.08, 1,890,263.89 and 757,858.88 is: 1,045,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,716.08 : 1,890,263.89 = 757,858.88 : x
  2. Step 2: Convert to fraction form
    1,369,716.08/1,890,263.89 = 757,858.88/x
  3. Step 3: Cross multiply
    1,369,716.08x = 1,890,263.89 × 757,858.88
  4. Step 4: Simplify right side
    1,369,716.08x = 1,432,553,280,252.83
  5. Step 5: Solve for x
    x = 1,432,553,280,252.83/1,369,716.08
  6. Step 6: Final answer
    x = 1,045,876.08

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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.