Home / 1,010,146.60-1,512,455.10-788,962.60

Finding the Fourth Proportional to 1,010,146.60, 1,512,455.10 and 788,962.60

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Solution

The fourth proportional to 1,010,146.60, 1,512,455.10 and 788,962.60 is: 1,181,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,146.60 : 1,512,455.10 = 788,962.60 : x
  2. Step 2: Convert to fraction form
    1,010,146.60/1,512,455.10 = 788,962.60/x
  3. Step 3: Cross multiply
    1,010,146.60x = 1,512,455.10 × 788,962.60
  4. Step 4: Simplify right side
    1,010,146.60x = 1,193,270,508,079.26
  5. Step 5: Solve for x
    x = 1,193,270,508,079.26/1,010,146.60
  6. Step 6: Final answer
    x = 1,181,284.49

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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.