Home / 1,609,861.60-2,414,792.40-427,909.60

Finding the Fourth Proportional to 1,609,861.60, 2,414,792.40 and 427,909.60

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Solution

The fourth proportional to 1,609,861.60, 2,414,792.40 and 427,909.60 is: 641,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,861.60 : 2,414,792.40 = 427,909.60 : x
  2. Step 2: Convert to fraction form
    1,609,861.60/2,414,792.40 = 427,909.60/x
  3. Step 3: Cross multiply
    1,609,861.60x = 2,414,792.40 × 427,909.60
  4. Step 4: Simplify right side
    1,609,861.60x = 1,033,312,849,967.04
  5. Step 5: Solve for x
    x = 1,033,312,849,967.04/1,609,861.60
  6. Step 6: Final answer
    x = 641,864.40

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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.