Home / 1,212,941.20-1,819,411.80-740,549.20

Finding the Fourth Proportional to 1,212,941.20, 1,819,411.80 and 740,549.20

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Solution

The fourth proportional to 1,212,941.20, 1,819,411.80 and 740,549.20 is: 1,110,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,941.20 : 1,819,411.80 = 740,549.20 : x
  2. Step 2: Convert to fraction form
    1,212,941.20/1,819,411.80 = 740,549.20/x
  3. Step 3: Cross multiply
    1,212,941.20x = 1,819,411.80 × 740,549.20
  4. Step 4: Simplify right side
    1,212,941.20x = 1,347,363,952,960.56
  5. Step 5: Solve for x
    x = 1,347,363,952,960.56/1,212,941.20
  6. Step 6: Final answer
    x = 1,110,823.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.