Home / 1,013,991.40-1,520,411.19-414,250.39

Finding the Fourth Proportional to 1,013,991.40, 1,520,411.19 and 414,250.39

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Solution

The fourth proportional to 1,013,991.40, 1,520,411.19 and 414,250.39 is: 621,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,991.40 : 1,520,411.19 = 414,250.39 : x
  2. Step 2: Convert to fraction form
    1,013,991.40/1,520,411.19 = 414,250.39/x
  3. Step 3: Cross multiply
    1,013,991.40x = 1,520,411.19 × 414,250.39
  4. Step 4: Simplify right side
    1,013,991.40x = 629,830,928,417.86
  5. Step 5: Solve for x
    x = 629,830,928,417.86/1,013,991.40
  6. Step 6: Final answer
    x = 621,140.31

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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.