Home / 1,271,892.30-1,754,777.30-788,280.99

Finding the Fourth Proportional to 1,271,892.30, 1,754,777.30 and 788,280.99

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Solution

The fourth proportional to 1,271,892.30, 1,754,777.30 and 788,280.99 is: 1,087,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,892.30 : 1,754,777.30 = 788,280.99 : x
  2. Step 2: Convert to fraction form
    1,271,892.30/1,754,777.30 = 788,280.99/x
  3. Step 3: Cross multiply
    1,271,892.30x = 1,754,777.30 × 788,280.99
  4. Step 4: Simplify right side
    1,271,892.30x = 1,383,257,583,332.12
  5. Step 5: Solve for x
    x = 1,383,257,583,332.12/1,271,892.30
  6. Step 6: Final answer
    x = 1,087,558.74

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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.