Home / 1,346,318.66-1,857,889.85-742,706.50

Finding the Fourth Proportional to 1,346,318.66, 1,857,889.85 and 742,706.50

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Solution

The fourth proportional to 1,346,318.66, 1,857,889.85 and 742,706.50 is: 1,024,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,318.66 : 1,857,889.85 = 742,706.50 : x
  2. Step 2: Convert to fraction form
    1,346,318.66/1,857,889.85 = 742,706.50/x
  3. Step 3: Cross multiply
    1,346,318.66x = 1,857,889.85 × 742,706.50
  4. Step 4: Simplify right side
    1,346,318.66x = 1,379,866,867,879.03
  5. Step 5: Solve for x
    x = 1,379,866,867,879.03/1,346,318.66
  6. Step 6: Final answer
    x = 1,024,918.48

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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.