Home / 1,434,020.93-2,151,090.74-423,142.85

Finding the Fourth Proportional to 1,434,020.93, 2,151,090.74 and 423,142.85

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Solution

The fourth proportional to 1,434,020.93, 2,151,090.74 and 423,142.85 is: 634,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,020.93 : 2,151,090.74 = 423,142.85 : x
  2. Step 2: Convert to fraction form
    1,434,020.93/2,151,090.74 = 423,142.85/x
  3. Step 3: Cross multiply
    1,434,020.93x = 2,151,090.74 × 423,142.85
  4. Step 4: Simplify right side
    1,434,020.93x = 910,218,672,767.79
  5. Step 5: Solve for x
    x = 910,218,672,767.79/1,434,020.93
  6. Step 6: Final answer
    x = 634,731.79

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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.