Home / 869,123.20-1,303,684.80-737,903.20

Finding the Fourth Proportional to 869,123.20, 1,303,684.80 and 737,903.20

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Solution

The fourth proportional to 869,123.20, 1,303,684.80 and 737,903.20 is: 1,106,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,123.20 : 1,303,684.80 = 737,903.20 : x
  2. Step 2: Convert to fraction form
    869,123.20/1,303,684.80 = 737,903.20/x
  3. Step 3: Cross multiply
    869,123.20x = 1,303,684.80 × 737,903.20
  4. Step 4: Simplify right side
    869,123.20x = 961,993,185,711.36
  5. Step 5: Solve for x
    x = 961,993,185,711.36/869,123.20
  6. Step 6: Final answer
    x = 1,106,854.80

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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.