Home / 1,021,060.14-1,531,818.63-311,143.74

Finding the Fourth Proportional to 1,021,060.14, 1,531,818.63 and 311,143.74

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Solution

The fourth proportional to 1,021,060.14, 1,531,818.63 and 311,143.74 is: 466,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,060.14 : 1,531,818.63 = 311,143.74 : x
  2. Step 2: Convert to fraction form
    1,021,060.14/1,531,818.63 = 311,143.74/x
  3. Step 3: Cross multiply
    1,021,060.14x = 1,531,818.63 × 311,143.74
  4. Step 4: Simplify right side
    1,021,060.14x = 476,615,777,539.88
  5. Step 5: Solve for x
    x = 476,615,777,539.88/1,021,060.14
  6. Step 6: Final answer
    x = 466,785.22

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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.