Home / 1,308,225.90-1,805,495.60-749,473.39

Finding the Fourth Proportional to 1,308,225.90, 1,805,495.60 and 749,473.39

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Solution

The fourth proportional to 1,308,225.90, 1,805,495.60 and 749,473.39 is: 1,034,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,225.90 : 1,805,495.60 = 749,473.39 : x
  2. Step 2: Convert to fraction form
    1,308,225.90/1,805,495.60 = 749,473.39/x
  3. Step 3: Cross multiply
    1,308,225.90x = 1,805,495.60 × 749,473.39
  4. Step 4: Simplify right side
    1,308,225.90x = 1,353,170,912,092.64
  5. Step 5: Solve for x
    x = 1,353,170,912,092.64/1,308,225.90
  6. Step 6: Final answer
    x = 1,034,355.69

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Double scale
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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.