Home / 1,432,764.12-1,977,184.28-788,172.60

Finding the Fourth Proportional to 1,432,764.12, 1,977,184.28 and 788,172.60

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Solution

The fourth proportional to 1,432,764.12, 1,977,184.28 and 788,172.60 is: 1,087,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,764.12 : 1,977,184.28 = 788,172.60 : x
  2. Step 2: Convert to fraction form
    1,432,764.12/1,977,184.28 = 788,172.60/x
  3. Step 3: Cross multiply
    1,432,764.12x = 1,977,184.28 × 788,172.60
  4. Step 4: Simplify right side
    1,432,764.12x = 1,558,362,474,646.73
  5. Step 5: Solve for x
    x = 1,558,362,474,646.73/1,432,764.12
  6. Step 6: Final answer
    x = 1,087,661.57

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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.