Home / 1,284,404.40-1,926,023.40-485,420.40

Finding the Fourth Proportional to 1,284,404.40, 1,926,023.40 and 485,420.40

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Solution

The fourth proportional to 1,284,404.40, 1,926,023.40 and 485,420.40 is: 727,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,404.40 : 1,926,023.40 = 485,420.40 : x
  2. Step 2: Convert to fraction form
    1,284,404.40/1,926,023.40 = 485,420.40/x
  3. Step 3: Cross multiply
    1,284,404.40x = 1,926,023.40 × 485,420.40
  4. Step 4: Simplify right side
    1,284,404.40x = 934,931,049,237.36
  5. Step 5: Solve for x
    x = 934,931,049,237.36/1,284,404.40
  6. Step 6: Final answer
    x = 727,910.19

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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.