Home / 1,758,419.40-2,637,629.10-636,342.60

Finding the Fourth Proportional to 1,758,419.40, 2,637,629.10 and 636,342.60

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Solution

The fourth proportional to 1,758,419.40, 2,637,629.10 and 636,342.60 is: 954,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,419.40 : 2,637,629.10 = 636,342.60 : x
  2. Step 2: Convert to fraction form
    1,758,419.40/2,637,629.10 = 636,342.60/x
  3. Step 3: Cross multiply
    1,758,419.40x = 2,637,629.10 × 636,342.60
  4. Step 4: Simplify right side
    1,758,419.40x = 1,678,435,759,329.66
  5. Step 5: Solve for x
    x = 1,678,435,759,329.66/1,758,419.40
  6. Step 6: Final answer
    x = 954,513.90

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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.