Home / 1,480,068.60-2,219,446.80-680,938.80

Finding the Fourth Proportional to 1,480,068.60, 2,219,446.80 and 680,938.80

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Solution

The fourth proportional to 1,480,068.60, 2,219,446.80 and 680,938.80 is: 1,021,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,068.60 : 2,219,446.80 = 680,938.80 : x
  2. Step 2: Convert to fraction form
    1,480,068.60/2,219,446.80 = 680,938.80/x
  3. Step 3: Cross multiply
    1,480,068.60x = 2,219,446.80 × 680,938.80
  4. Step 4: Simplify right side
    1,480,068.60x = 1,511,307,440,655.84
  5. Step 5: Solve for x
    x = 1,511,307,440,655.84/1,480,068.60
  6. Step 6: Final answer
    x = 1,021,106.35

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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.