Home / 1,105,322.02-1,657,982.94-306,603.60

Finding the Fourth Proportional to 1,105,322.02, 1,657,982.94 and 306,603.60

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Solution

The fourth proportional to 1,105,322.02, 1,657,982.94 and 306,603.60 is: 459,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,322.02 : 1,657,982.94 = 306,603.60 : x
  2. Step 2: Convert to fraction form
    1,105,322.02/1,657,982.94 = 306,603.60/x
  3. Step 3: Cross multiply
    1,105,322.02x = 1,657,982.94 × 306,603.60
  4. Step 4: Simplify right side
    1,105,322.02x = 508,343,538,142.58
  5. Step 5: Solve for x
    x = 508,343,538,142.58/1,105,322.02
  6. Step 6: Final answer
    x = 459,905.38

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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.