Home / 1,168,905.40-1,750,405.65-767,372.20

Finding the Fourth Proportional to 1,168,905.40, 1,750,405.65 and 767,372.20

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Solution

The fourth proportional to 1,168,905.40, 1,750,405.65 and 767,372.20 is: 1,149,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,905.40 : 1,750,405.65 = 767,372.20 : x
  2. Step 2: Convert to fraction form
    1,168,905.40/1,750,405.65 = 767,372.20/x
  3. Step 3: Cross multiply
    1,168,905.40x = 1,750,405.65 × 767,372.20
  4. Step 4: Simplify right side
    1,168,905.40x = 1,343,212,634,532.93
  5. Step 5: Solve for x
    x = 1,343,212,634,532.93/1,168,905.40
  6. Step 6: Final answer
    x = 1,149,120.05

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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.