Home / 1,635,205.70-2,452,808.55-1,280,522.90

Finding the Fourth Proportional to 1,635,205.70, 2,452,808.55 and 1,280,522.90

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Solution

The fourth proportional to 1,635,205.70, 2,452,808.55 and 1,280,522.90 is: 1,920,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,205.70 : 2,452,808.55 = 1,280,522.90 : x
  2. Step 2: Convert to fraction form
    1,635,205.70/2,452,808.55 = 1,280,522.90/x
  3. Step 3: Cross multiply
    1,635,205.70x = 2,452,808.55 × 1,280,522.90
  4. Step 4: Simplify right side
    1,635,205.70x = 3,140,877,517,590.79
  5. Step 5: Solve for x
    x = 3,140,877,517,590.79/1,635,205.70
  6. Step 6: Final answer
    x = 1,920,784.35

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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.