Home / 1,962,740.76-2,942,366.28-764,386.20

Finding the Fourth Proportional to 1,962,740.76, 2,942,366.28 and 764,386.20

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Solution

The fourth proportional to 1,962,740.76, 2,942,366.28 and 764,386.20 is: 1,145,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,740.76 : 2,942,366.28 = 764,386.20 : x
  2. Step 2: Convert to fraction form
    1,962,740.76/2,942,366.28 = 764,386.20/x
  3. Step 3: Cross multiply
    1,962,740.76x = 2,942,366.28 × 764,386.20
  4. Step 4: Simplify right side
    1,962,740.76x = 2,249,104,179,777.34
  5. Step 5: Solve for x
    x = 2,249,104,179,777.34/1,962,740.76
  6. Step 6: Final answer
    x = 1,145,899.77

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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.