Home / 1,178,075.08-1,766,100.60-409,472.92

Finding the Fourth Proportional to 1,178,075.08, 1,766,100.60 and 409,472.92

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Solution

The fourth proportional to 1,178,075.08, 1,766,100.60 and 409,472.92 is: 613,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,075.08 : 1,766,100.60 = 409,472.92 : x
  2. Step 2: Convert to fraction form
    1,178,075.08/1,766,100.60 = 409,472.92/x
  3. Step 3: Cross multiply
    1,178,075.08x = 1,766,100.60 × 409,472.92
  4. Step 4: Simplify right side
    1,178,075.08x = 723,170,369,695.75
  5. Step 5: Solve for x
    x = 723,170,369,695.75/1,178,075.08
  6. Step 6: Final answer
    x = 613,857.62

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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.