Home / 1,774,812.70-2,662,510.65-764,418.70

Finding the Fourth Proportional to 1,774,812.70, 2,662,510.65 and 764,418.70

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Solution

The fourth proportional to 1,774,812.70, 2,662,510.65 and 764,418.70 is: 1,146,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,812.70 : 2,662,510.65 = 764,418.70 : x
  2. Step 2: Convert to fraction form
    1,774,812.70/2,662,510.65 = 764,418.70/x
  3. Step 3: Cross multiply
    1,774,812.70x = 2,662,510.65 × 764,418.70
  4. Step 4: Simplify right side
    1,774,812.70x = 2,035,272,929,809.15
  5. Step 5: Solve for x
    x = 2,035,272,929,809.15/1,774,812.70
  6. Step 6: Final answer
    x = 1,146,753.64

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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.