Home / 1,514,933.60-2,091,365.88-942,158.32

Finding the Fourth Proportional to 1,514,933.60, 2,091,365.88 and 942,158.32

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Solution

The fourth proportional to 1,514,933.60, 2,091,365.88 and 942,158.32 is: 1,300,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,933.60 : 2,091,365.88 = 942,158.32 : x
  2. Step 2: Convert to fraction form
    1,514,933.60/2,091,365.88 = 942,158.32/x
  3. Step 3: Cross multiply
    1,514,933.60x = 2,091,365.88 × 942,158.32
  4. Step 4: Simplify right side
    1,514,933.60x = 1,970,397,764,006.12
  5. Step 5: Solve for x
    x = 1,970,397,764,006.12/1,514,933.60
  6. Step 6: Final answer
    x = 1,300,649.59

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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.