Home / 1,142,856-1,714,618.56-511,629.12

Finding the Fourth Proportional to 1,142,856, 1,714,618.56 and 511,629.12

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Solution

The fourth proportional to 1,142,856, 1,714,618.56 and 511,629.12 is: 767,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,856 : 1,714,618.56 = 511,629.12 : x
  2. Step 2: Convert to fraction form
    1,142,856/1,714,618.56 = 511,629.12/x
  3. Step 3: Cross multiply
    1,142,856x = 1,714,618.56 × 511,629.12
  4. Step 4: Simplify right side
    1,142,856x = 877,248,784,988.47
  5. Step 5: Solve for x
    x = 877,248,784,988.47/1,142,856
  6. Step 6: Final answer
    x = 767,593.45

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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.