Home / 1,027,688.80-1,540,611.60-915,714.40

Finding the Fourth Proportional to 1,027,688.80, 1,540,611.60 and 915,714.40

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Solution

The fourth proportional to 1,027,688.80, 1,540,611.60 and 915,714.40 is: 1,372,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,688.80 : 1,540,611.60 = 915,714.40 : x
  2. Step 2: Convert to fraction form
    1,027,688.80/1,540,611.60 = 915,714.40/x
  3. Step 3: Cross multiply
    1,027,688.80x = 1,540,611.60 × 915,714.40
  4. Step 4: Simplify right side
    1,027,688.80x = 1,410,760,226,927.04
  5. Step 5: Solve for x
    x = 1,410,760,226,927.04/1,027,688.80
  6. Step 6: Final answer
    x = 1,372,750.42

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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.