Home / 1,151,875.20-1,728,590.40-751,540.80

Finding the Fourth Proportional to 1,151,875.20, 1,728,590.40 and 751,540.80

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Solution

The fourth proportional to 1,151,875.20, 1,728,590.40 and 751,540.80 is: 1,127,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,875.20 : 1,728,590.40 = 751,540.80 : x
  2. Step 2: Convert to fraction form
    1,151,875.20/1,728,590.40 = 751,540.80/x
  3. Step 3: Cross multiply
    1,151,875.20x = 1,728,590.40 × 751,540.80
  4. Step 4: Simplify right side
    1,151,875.20x = 1,299,106,212,088.32
  5. Step 5: Solve for x
    x = 1,299,106,212,088.32/1,151,875.20
  6. Step 6: Final answer
    x = 1,127,818.55

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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.