Home / 1,232,247.40-1,698,079.08-942,187.61

Finding the Fourth Proportional to 1,232,247.40, 1,698,079.08 and 942,187.61

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Solution

The fourth proportional to 1,232,247.40, 1,698,079.08 and 942,187.61 is: 1,298,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,247.40 : 1,698,079.08 = 942,187.61 : x
  2. Step 2: Convert to fraction form
    1,232,247.40/1,698,079.08 = 942,187.61/x
  3. Step 3: Cross multiply
    1,232,247.40x = 1,698,079.08 × 942,187.61
  4. Step 4: Simplify right side
    1,232,247.40x = 1,599,909,069,976.20
  5. Step 5: Solve for x
    x = 1,599,909,069,976.20/1,232,247.40
  6. Step 6: Final answer
    x = 1,298,366.76

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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.