Home / 1,219,139.73-1,683,234.90-760,952.28

Finding the Fourth Proportional to 1,219,139.73, 1,683,234.90 and 760,952.28

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Solution

The fourth proportional to 1,219,139.73, 1,683,234.90 and 760,952.28 is: 1,050,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,139.73 : 1,683,234.90 = 760,952.28 : x
  2. Step 2: Convert to fraction form
    1,219,139.73/1,683,234.90 = 760,952.28/x
  3. Step 3: Cross multiply
    1,219,139.73x = 1,683,234.90 × 760,952.28
  4. Step 4: Simplify right side
    1,219,139.73x = 1,280,861,434,930.57
  5. Step 5: Solve for x
    x = 1,280,861,434,930.57/1,219,139.73
  6. Step 6: Final answer
    x = 1,050,627.26

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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.