Home / 1,260,631.45-1,890,943.08-755,344.24

Finding the Fourth Proportional to 1,260,631.45, 1,890,943.08 and 755,344.24

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Solution

The fourth proportional to 1,260,631.45, 1,890,943.08 and 755,344.24 is: 1,133,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,631.45 : 1,890,943.08 = 755,344.24 : x
  2. Step 2: Convert to fraction form
    1,260,631.45/1,890,943.08 = 755,344.24/x
  3. Step 3: Cross multiply
    1,260,631.45x = 1,890,943.08 × 755,344.24
  4. Step 4: Simplify right side
    1,260,631.45x = 1,428,312,956,085.96
  5. Step 5: Solve for x
    x = 1,428,312,956,085.96/1,260,631.45
  6. Step 6: Final answer
    x = 1,133,013.90

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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.