Home / 1,010,365.40-1,515,548.10-651,642.73

Finding the Fourth Proportional to 1,010,365.40, 1,515,548.10 and 651,642.73

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Solution

The fourth proportional to 1,010,365.40, 1,515,548.10 and 651,642.73 is: 977,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,365.40 : 1,515,548.10 = 651,642.73 : x
  2. Step 2: Convert to fraction form
    1,010,365.40/1,515,548.10 = 651,642.73/x
  3. Step 3: Cross multiply
    1,010,365.40x = 1,515,548.10 × 651,642.73
  4. Step 4: Simplify right side
    1,010,365.40x = 987,595,901,330.31
  5. Step 5: Solve for x
    x = 987,595,901,330.31/1,010,365.40
  6. Step 6: Final answer
    x = 977,464.10

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Double scale
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Similar ratio
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1.5x scale

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.