Home / 1,294,862.37-1,787,254.70-764,897.88

Finding the Fourth Proportional to 1,294,862.37, 1,787,254.70 and 764,897.88

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Solution

The fourth proportional to 1,294,862.37, 1,787,254.70 and 764,897.88 is: 1,055,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,862.37 : 1,787,254.70 = 764,897.88 : x
  2. Step 2: Convert to fraction form
    1,294,862.37/1,787,254.70 = 764,897.88/x
  3. Step 3: Cross multiply
    1,294,862.37x = 1,787,254.70 × 764,897.88
  4. Step 4: Simplify right side
    1,294,862.37x = 1,367,067,327,225.55
  5. Step 5: Solve for x
    x = 1,367,067,327,225.55/1,294,862.37
  6. Step 6: Final answer
    x = 1,055,762.65

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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.