Home / 1,655,240.10-2,482,860.15-856,766.40

Finding the Fourth Proportional to 1,655,240.10, 2,482,860.15 and 856,766.40

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Solution

The fourth proportional to 1,655,240.10, 2,482,860.15 and 856,766.40 is: 1,285,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,240.10 : 2,482,860.15 = 856,766.40 : x
  2. Step 2: Convert to fraction form
    1,655,240.10/2,482,860.15 = 856,766.40/x
  3. Step 3: Cross multiply
    1,655,240.10x = 2,482,860.15 × 856,766.40
  4. Step 4: Simplify right side
    1,655,240.10x = 2,127,231,152,418.96
  5. Step 5: Solve for x
    x = 2,127,231,152,418.96/1,655,240.10
  6. Step 6: Final answer
    x = 1,285,149.60

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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.