Home / 2,680,140.60-4,020,729.30-786,943.80

Finding the Fourth Proportional to 2,680,140.60, 4,020,729.30 and 786,943.80

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Solution

The fourth proportional to 2,680,140.60, 4,020,729.30 and 786,943.80 is: 1,180,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,140.60 : 4,020,729.30 = 786,943.80 : x
  2. Step 2: Convert to fraction form
    2,680,140.60/4,020,729.30 = 786,943.80/x
  3. Step 3: Cross multiply
    2,680,140.60x = 4,020,729.30 × 786,943.80
  4. Step 4: Simplify right side
    2,680,140.60x = 3,164,087,994,113.34
  5. Step 5: Solve for x
    x = 3,164,087,994,113.34/2,680,140.60
  6. Step 6: Final answer
    x = 1,180,567.91

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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.