Home / 1,431,012.16-2,142,975.29-1,051,031.84

Finding the Fourth Proportional to 1,431,012.16, 2,142,975.29 and 1,051,031.84

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Solution

The fourth proportional to 1,431,012.16, 2,142,975.29 and 1,051,031.84 is: 1,573,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,012.16 : 2,142,975.29 = 1,051,031.84 : x
  2. Step 2: Convert to fraction form
    1,431,012.16/2,142,975.29 = 1,051,031.84/x
  3. Step 3: Cross multiply
    1,431,012.16x = 2,142,975.29 × 1,051,031.84
  4. Step 4: Simplify right side
    1,431,012.16x = 2,252,335,262,123.23
  5. Step 5: Solve for x
    x = 2,252,335,262,123.23/1,431,012.16
  6. Step 6: Final answer
    x = 1,573,945.58

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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.