Home / 1,861,710.90-2,792,894.40-664,328.40

Finding the Fourth Proportional to 1,861,710.90, 2,792,894.40 and 664,328.40

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Solution

The fourth proportional to 1,861,710.90, 2,792,894.40 and 664,328.40 is: 996,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,710.90 : 2,792,894.40 = 664,328.40 : x
  2. Step 2: Convert to fraction form
    1,861,710.90/2,792,894.40 = 664,328.40/x
  3. Step 3: Cross multiply
    1,861,710.90x = 2,792,894.40 × 664,328.40
  4. Step 4: Simplify right side
    1,861,710.90x = 1,855,399,068,120.96
  5. Step 5: Solve for x
    x = 1,855,399,068,120.96/1,861,710.90
  6. Step 6: Final answer
    x = 996,609.66

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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.