Home / 1,142,178.50-1,713,271.82-289,249.92

Finding the Fourth Proportional to 1,142,178.50, 1,713,271.82 and 289,249.92

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Solution

The fourth proportional to 1,142,178.50, 1,713,271.82 and 289,249.92 is: 433,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,178.50 : 1,713,271.82 = 289,249.92 : x
  2. Step 2: Convert to fraction form
    1,142,178.50/1,713,271.82 = 289,249.92/x
  3. Step 3: Cross multiply
    1,142,178.50x = 1,713,271.82 × 289,249.92
  4. Step 4: Simplify right side
    1,142,178.50x = 495,563,735,427.01
  5. Step 5: Solve for x
    x = 495,563,735,427.01/1,142,178.50
  6. Step 6: Final answer
    x = 433,875.91

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1.5x scale

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.