Home / 1,542,328.60-2,128,111.02-969,036.64

Finding the Fourth Proportional to 1,542,328.60, 2,128,111.02 and 969,036.64

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Solution

The fourth proportional to 1,542,328.60, 2,128,111.02 and 969,036.64 is: 1,337,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,328.60 : 2,128,111.02 = 969,036.64 : x
  2. Step 2: Convert to fraction form
    1,542,328.60/2,128,111.02 = 969,036.64/x
  3. Step 3: Cross multiply
    1,542,328.60x = 2,128,111.02 × 969,036.64
  4. Step 4: Simplify right side
    1,542,328.60x = 2,062,217,552,367.77
  5. Step 5: Solve for x
    x = 2,062,217,552,367.77/1,542,328.60
  6. Step 6: Final answer
    x = 1,337,080.54

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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.