Home / 1,490,102.25-2,056,345.02-845,520.72

Finding the Fourth Proportional to 1,490,102.25, 2,056,345.02 and 845,520.72

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Solution

The fourth proportional to 1,490,102.25, 2,056,345.02 and 845,520.72 is: 1,166,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,102.25 : 2,056,345.02 = 845,520.72 : x
  2. Step 2: Convert to fraction form
    1,490,102.25/2,056,345.02 = 845,520.72/x
  3. Step 3: Cross multiply
    1,490,102.25x = 2,056,345.02 × 845,520.72
  4. Step 4: Simplify right side
    1,490,102.25x = 1,738,682,321,878.81
  5. Step 5: Solve for x
    x = 1,738,682,321,878.81/1,490,102.25
  6. Step 6: Final answer
    x = 1,166,820.82

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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.