Home / 1,347,535.80-2,021,303.70-869,238.90

Finding the Fourth Proportional to 1,347,535.80, 2,021,303.70 and 869,238.90

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Solution

The fourth proportional to 1,347,535.80, 2,021,303.70 and 869,238.90 is: 1,303,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,535.80 : 2,021,303.70 = 869,238.90 : x
  2. Step 2: Convert to fraction form
    1,347,535.80/2,021,303.70 = 869,238.90/x
  3. Step 3: Cross multiply
    1,347,535.80x = 2,021,303.70 × 869,238.90
  4. Step 4: Simplify right side
    1,347,535.80x = 1,756,995,804,753.93
  5. Step 5: Solve for x
    x = 1,756,995,804,753.93/1,347,535.80
  6. Step 6: Final answer
    x = 1,303,858.35

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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.