Home / 1,198,762.40-1,798,263.86-345,855.17

Finding the Fourth Proportional to 1,198,762.40, 1,798,263.86 and 345,855.17

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Solution

The fourth proportional to 1,198,762.40, 1,798,263.86 and 345,855.17 is: 518,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,762.40 : 1,798,263.86 = 345,855.17 : x
  2. Step 2: Convert to fraction form
    1,198,762.40/1,798,263.86 = 345,855.17/x
  3. Step 3: Cross multiply
    1,198,762.40x = 1,798,263.86 × 345,855.17
  4. Step 4: Simplify right side
    1,198,762.40x = 621,938,844,878.48
  5. Step 5: Solve for x
    x = 621,938,844,878.48/1,198,762.40
  6. Step 6: Final answer
    x = 518,817.45

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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.