Home / 1,505,005.28-2,076,316.10-860,079.50

Finding the Fourth Proportional to 1,505,005.28, 2,076,316.10 and 860,079.50

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Solution

The fourth proportional to 1,505,005.28, 2,076,316.10 and 860,079.50 is: 1,186,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,005.28 : 2,076,316.10 = 860,079.50 : x
  2. Step 2: Convert to fraction form
    1,505,005.28/2,076,316.10 = 860,079.50/x
  3. Step 3: Cross multiply
    1,505,005.28x = 2,076,316.10 × 860,079.50
  4. Step 4: Simplify right side
    1,505,005.28x = 1,785,796,913,129.95
  5. Step 5: Solve for x
    x = 1,785,796,913,129.95/1,505,005.28
  6. Step 6: Final answer
    x = 1,186,571.86

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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.