Home / 1,792,938.40-2,689,407.60-670,861.60

Finding the Fourth Proportional to 1,792,938.40, 2,689,407.60 and 670,861.60

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Solution

The fourth proportional to 1,792,938.40, 2,689,407.60 and 670,861.60 is: 1,006,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,938.40 : 2,689,407.60 = 670,861.60 : x
  2. Step 2: Convert to fraction form
    1,792,938.40/2,689,407.60 = 670,861.60/x
  3. Step 3: Cross multiply
    1,792,938.40x = 2,689,407.60 × 670,861.60
  4. Step 4: Simplify right side
    1,792,938.40x = 1,804,220,285,588.16
  5. Step 5: Solve for x
    x = 1,804,220,285,588.16/1,792,938.40
  6. Step 6: Final answer
    x = 1,006,292.40

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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.