Home / 1,201,179.49-1,657,627.86-657,315.41

Finding the Fourth Proportional to 1,201,179.49, 1,657,627.86 and 657,315.41

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Solution

The fourth proportional to 1,201,179.49, 1,657,627.86 and 657,315.41 is: 907,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,179.49 : 1,657,627.86 = 657,315.41 : x
  2. Step 2: Convert to fraction form
    1,201,179.49/1,657,627.86 = 657,315.41/x
  3. Step 3: Cross multiply
    1,201,179.49x = 1,657,627.86 × 657,315.41
  4. Step 4: Simplify right side
    1,201,179.49x = 1,089,584,336,423.32
  5. Step 5: Solve for x
    x = 1,089,584,336,423.32/1,201,179.49
  6. Step 6: Final answer
    x = 907,095.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.