Home / 740,144.47-1,110,659.63-679,914.49

Finding the Fourth Proportional to 740,144.47, 1,110,659.63 and 679,914.49

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Solution

The fourth proportional to 740,144.47, 1,110,659.63 and 679,914.49 is: 1,020,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,144.47 : 1,110,659.63 = 679,914.49 : x
  2. Step 2: Convert to fraction form
    740,144.47/1,110,659.63 = 679,914.49/x
  3. Step 3: Cross multiply
    740,144.47x = 1,110,659.63 × 679,914.49
  4. Step 4: Simplify right side
    740,144.47x = 755,153,583,179.76
  5. Step 5: Solve for x
    x = 755,153,583,179.76/740,144.47
  6. Step 6: Final answer
    x = 1,020,278.62

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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.