Home / 1,021,060.16-1,531,818.64-311,143.76

Finding the Fourth Proportional to 1,021,060.16, 1,531,818.64 and 311,143.76

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Solution

The fourth proportional to 1,021,060.16, 1,531,818.64 and 311,143.76 is: 466,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,060.16 : 1,531,818.64 = 311,143.76 : x
  2. Step 2: Convert to fraction form
    1,021,060.16/1,531,818.64 = 311,143.76/x
  3. Step 3: Cross multiply
    1,021,060.16x = 1,531,818.64 × 311,143.76
  4. Step 4: Simplify right side
    1,021,060.16x = 476,615,811,287.69
  5. Step 5: Solve for x
    x = 476,615,811,287.69/1,021,060.16
  6. Step 6: Final answer
    x = 466,785.24

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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.