Home / 1,021,008.51-1,531,525.07-311,042.70

Finding the Fourth Proportional to 1,021,008.51, 1,531,525.07 and 311,042.70

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Solution

The fourth proportional to 1,021,008.51, 1,531,525.07 and 311,042.70 is: 466,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,008.51 : 1,531,525.07 = 311,042.70 : x
  2. Step 2: Convert to fraction form
    1,021,008.51/1,531,525.07 = 311,042.70/x
  3. Step 3: Cross multiply
    1,021,008.51x = 1,531,525.07 × 311,042.70
  4. Step 4: Simplify right side
    1,021,008.51x = 476,369,692,890.49
  5. Step 5: Solve for x
    x = 476,369,692,890.49/1,021,008.51
  6. Step 6: Final answer
    x = 466,567.80

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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.