Home / 1,017,966.90-1,526,561.55-307,758.90

Finding the Fourth Proportional to 1,017,966.90, 1,526,561.55 and 307,758.90

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Solution

The fourth proportional to 1,017,966.90, 1,526,561.55 and 307,758.90 is: 461,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,966.90 : 1,526,561.55 = 307,758.90 : x
  2. Step 2: Convert to fraction form
    1,017,966.90/1,526,561.55 = 307,758.90/x
  3. Step 3: Cross multiply
    1,017,966.90x = 1,526,561.55 × 307,758.90
  4. Step 4: Simplify right side
    1,017,966.90x = 469,812,903,410.30
  5. Step 5: Solve for x
    x = 469,812,903,410.30/1,017,966.90
  6. Step 6: Final answer
    x = 461,520.81

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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.