Home / 1,020,843.72-1,531,266.14-459,222.12

Finding the Fourth Proportional to 1,020,843.72, 1,531,266.14 and 459,222.12

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Solution

The fourth proportional to 1,020,843.72, 1,531,266.14 and 459,222.12 is: 688,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,843.72 : 1,531,266.14 = 459,222.12 : x
  2. Step 2: Convert to fraction form
    1,020,843.72/1,531,266.14 = 459,222.12/x
  3. Step 3: Cross multiply
    1,020,843.72x = 1,531,266.14 × 459,222.12
  4. Step 4: Simplify right side
    1,020,843.72x = 703,191,283,095.02
  5. Step 5: Solve for x
    x = 703,191,283,095.02/1,020,843.72
  6. Step 6: Final answer
    x = 688,833.43

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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.