Home / 1,347,502.80-2,021,254.20-869,205.90

Finding the Fourth Proportional to 1,347,502.80, 2,021,254.20 and 869,205.90

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Solution

The fourth proportional to 1,347,502.80, 2,021,254.20 and 869,205.90 is: 1,303,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,502.80 : 2,021,254.20 = 869,205.90 : x
  2. Step 2: Convert to fraction form
    1,347,502.80/2,021,254.20 = 869,205.90/x
  3. Step 3: Cross multiply
    1,347,502.80x = 2,021,254.20 × 869,205.90
  4. Step 4: Simplify right side
    1,347,502.80x = 1,756,886,076,039.78
  5. Step 5: Solve for x
    x = 1,756,886,076,039.78/1,347,502.80
  6. Step 6: Final answer
    x = 1,303,808.85

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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.