Home / 1,020,701.26-1,531,055.90-413,501.06

Finding the Fourth Proportional to 1,020,701.26, 1,531,055.90 and 413,501.06

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Solution

The fourth proportional to 1,020,701.26, 1,531,055.90 and 413,501.06 is: 620,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,701.26 : 1,531,055.90 = 413,501.06 : x
  2. Step 2: Convert to fraction form
    1,020,701.26/1,531,055.90 = 413,501.06/x
  3. Step 3: Cross multiply
    1,020,701.26x = 1,531,055.90 × 413,501.06
  4. Step 4: Simplify right side
    1,020,701.26x = 633,093,227,846.47
  5. Step 5: Solve for x
    x = 633,093,227,846.47/1,020,701.26
  6. Step 6: Final answer
    x = 620,253.21

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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.