Home / 1,369,722.10-1,890,272.16-757,864.90

Finding the Fourth Proportional to 1,369,722.10, 1,890,272.16 and 757,864.90

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Solution

The fourth proportional to 1,369,722.10, 1,890,272.16 and 757,864.90 is: 1,045,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,722.10 : 1,890,272.16 = 757,864.90 : x
  2. Step 2: Convert to fraction form
    1,369,722.10/1,890,272.16 = 757,864.90/x
  3. Step 3: Cross multiply
    1,369,722.10x = 1,890,272.16 × 757,864.90
  4. Step 4: Simplify right side
    1,369,722.10x = 1,432,570,921,511.18
  5. Step 5: Solve for x
    x = 1,432,570,921,511.18/1,369,722.10
  6. Step 6: Final answer
    x = 1,045,884.36

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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.