Home / 1,432,801.28-1,977,203.40-788,180.60

Finding the Fourth Proportional to 1,432,801.28, 1,977,203.40 and 788,180.60

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Solution

The fourth proportional to 1,432,801.28, 1,977,203.40 and 788,180.60 is: 1,087,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,801.28 : 1,977,203.40 = 788,180.60 : x
  2. Step 2: Convert to fraction form
    1,432,801.28/1,977,203.40 = 788,180.60/x
  3. Step 3: Cross multiply
    1,432,801.28x = 1,977,203.40 × 788,180.60
  4. Step 4: Simplify right side
    1,432,801.28x = 1,558,393,362,134.04
  5. Step 5: Solve for x
    x = 1,558,393,362,134.04/1,432,801.28
  6. Step 6: Final answer
    x = 1,087,654.92

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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.