Home / 1,142,205.92-1,713,312.84-289,277.36

Finding the Fourth Proportional to 1,142,205.92, 1,713,312.84 and 289,277.36

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Solution

The fourth proportional to 1,142,205.92, 1,713,312.84 and 289,277.36 is: 433,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,205.92 : 1,713,312.84 = 289,277.36 : x
  2. Step 2: Convert to fraction form
    1,142,205.92/1,713,312.84 = 289,277.36/x
  3. Step 3: Cross multiply
    1,142,205.92x = 1,713,312.84 × 289,277.36
  4. Step 4: Simplify right side
    1,142,205.92x = 495,622,615,209.30
  5. Step 5: Solve for x
    x = 495,622,615,209.30/1,142,205.92
  6. Step 6: Final answer
    x = 433,917.04

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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.