Home / 1,313,261.12-1,812,328.03-740,301.29

Finding the Fourth Proportional to 1,313,261.12, 1,812,328.03 and 740,301.29

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Solution

The fourth proportional to 1,313,261.12, 1,812,328.03 and 740,301.29 is: 1,021,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,261.12 : 1,812,328.03 = 740,301.29 : x
  2. Step 2: Convert to fraction form
    1,313,261.12/1,812,328.03 = 740,301.29/x
  3. Step 3: Cross multiply
    1,313,261.12x = 1,812,328.03 × 740,301.29
  4. Step 4: Simplify right side
    1,313,261.12x = 1,341,668,782,735.79
  5. Step 5: Solve for x
    x = 1,341,668,782,735.79/1,313,261.12
  6. Step 6: Final answer
    x = 1,021,631.39

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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.