Home / 1,200,075.86-1,655,785.52-683,818.70

Finding the Fourth Proportional to 1,200,075.86, 1,655,785.52 and 683,818.70

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Solution

The fourth proportional to 1,200,075.86, 1,655,785.52 and 683,818.70 is: 943,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,075.86 : 1,655,785.52 = 683,818.70 : x
  2. Step 2: Convert to fraction form
    1,200,075.86/1,655,785.52 = 683,818.70/x
  3. Step 3: Cross multiply
    1,200,075.86x = 1,655,785.52 × 683,818.70
  4. Step 4: Simplify right side
    1,200,075.86x = 1,132,257,102,078.35
  5. Step 5: Solve for x
    x = 1,132,257,102,078.35/1,200,075.86
  6. Step 6: Final answer
    x = 943,487.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.