Home / 1,281,574.36-1,918,818.06-965,071.72

Finding the Fourth Proportional to 1,281,574.36, 1,918,818.06 and 965,071.72

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Solution

The fourth proportional to 1,281,574.36, 1,918,818.06 and 965,071.72 is: 1,444,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,574.36 : 1,918,818.06 = 965,071.72 : x
  2. Step 2: Convert to fraction form
    1,281,574.36/1,918,818.06 = 965,071.72/x
  3. Step 3: Cross multiply
    1,281,574.36x = 1,918,818.06 × 965,071.72
  4. Step 4: Simplify right side
    1,281,574.36x = 1,851,797,045,531.26
  5. Step 5: Solve for x
    x = 1,851,797,045,531.26/1,281,574.36
  6. Step 6: Final answer
    x = 1,444,939.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.