Home / 1,493,817.40-2,238,263.70-861,628.60

Finding the Fourth Proportional to 1,493,817.40, 2,238,263.70 and 861,628.60

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Solution

The fourth proportional to 1,493,817.40, 2,238,263.70 and 861,628.60 is: 1,291,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,817.40 : 2,238,263.70 = 861,628.60 : x
  2. Step 2: Convert to fraction form
    1,493,817.40/2,238,263.70 = 861,628.60/x
  3. Step 3: Cross multiply
    1,493,817.40x = 2,238,263.70 × 861,628.60
  4. Step 4: Simplify right side
    1,493,817.40x = 1,928,552,018,261.82
  5. Step 5: Solve for x
    x = 1,928,552,018,261.82/1,493,817.40
  6. Step 6: Final answer
    x = 1,291,022.60

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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.