Home / 1,142,563.25-1,713,447.40-459,247.23

Finding the Fourth Proportional to 1,142,563.25, 1,713,447.40 and 459,247.23

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Solution

The fourth proportional to 1,142,563.25, 1,713,447.40 and 459,247.23 is: 688,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,563.25 : 1,713,447.40 = 459,247.23 : x
  2. Step 2: Convert to fraction form
    1,142,563.25/1,713,447.40 = 459,247.23/x
  3. Step 3: Cross multiply
    1,142,563.25x = 1,713,447.40 × 459,247.23
  4. Step 4: Simplify right side
    1,142,563.25x = 786,895,979,200.19
  5. Step 5: Solve for x
    x = 786,895,979,200.19/1,142,563.25
  6. Step 6: Final answer
    x = 688,711.09

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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.