Home / 864,011.80-1,296,017.70-724,043.80

Finding the Fourth Proportional to 864,011.80, 1,296,017.70 and 724,043.80

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Solution

The fourth proportional to 864,011.80, 1,296,017.70 and 724,043.80 is: 1,086,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,011.80 : 1,296,017.70 = 724,043.80 : x
  2. Step 2: Convert to fraction form
    864,011.80/1,296,017.70 = 724,043.80/x
  3. Step 3: Cross multiply
    864,011.80x = 1,296,017.70 × 724,043.80
  4. Step 4: Simplify right side
    864,011.80x = 938,373,580,375.26
  5. Step 5: Solve for x
    x = 938,373,580,375.26/864,011.80
  6. Step 6: Final answer
    x = 1,086,065.70

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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.