Home / 1,268,031.18-1,749,927.88-695,071.20

Finding the Fourth Proportional to 1,268,031.18, 1,749,927.88 and 695,071.20

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Solution

The fourth proportional to 1,268,031.18, 1,749,927.88 and 695,071.20 is: 959,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,031.18 : 1,749,927.88 = 695,071.20 : x
  2. Step 2: Convert to fraction form
    1,268,031.18/1,749,927.88 = 695,071.20/x
  3. Step 3: Cross multiply
    1,268,031.18x = 1,749,927.88 × 695,071.20
  4. Step 4: Simplify right side
    1,268,031.18x = 1,216,324,471,465.06
  5. Step 5: Solve for x
    x = 1,216,324,471,465.06/1,268,031.18
  6. Step 6: Final answer
    x = 959,222.84

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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.