Home / 1,313,501.40-1,812,634.08-740,540.04

Finding the Fourth Proportional to 1,313,501.40, 1,812,634.08 and 740,540.04

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Solution

The fourth proportional to 1,313,501.40, 1,812,634.08 and 740,540.04 is: 1,021,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,501.40 : 1,812,634.08 = 740,540.04 : x
  2. Step 2: Convert to fraction form
    1,313,501.40/1,812,634.08 = 740,540.04/x
  3. Step 3: Cross multiply
    1,313,501.40x = 1,812,634.08 × 740,540.04
  4. Step 4: Simplify right side
    1,313,501.40x = 1,342,328,114,108.56
  5. Step 5: Solve for x
    x = 1,342,328,114,108.56/1,313,501.40
  6. Step 6: Final answer
    x = 1,021,946.47

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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.