Home / 1,618,340.40-2,426,735.28-764,701.68

Finding the Fourth Proportional to 1,618,340.40, 2,426,735.28 and 764,701.68

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Solution

The fourth proportional to 1,618,340.40, 2,426,735.28 and 764,701.68 is: 1,146,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,340.40 : 2,426,735.28 = 764,701.68 : x
  2. Step 2: Convert to fraction form
    1,618,340.40/2,426,735.28 = 764,701.68/x
  3. Step 3: Cross multiply
    1,618,340.40x = 2,426,735.28 × 764,701.68
  4. Step 4: Simplify right side
    1,618,340.40x = 1,855,728,545,531.27
  5. Step 5: Solve for x
    x = 1,855,728,545,531.27/1,618,340.40
  6. Step 6: Final answer
    x = 1,146,686.16

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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.