Home / 1,209,635.20-1,812,897.60-735,817.60

Finding the Fourth Proportional to 1,209,635.20, 1,812,897.60 and 735,817.60

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Solution

The fourth proportional to 1,209,635.20, 1,812,897.60 and 735,817.60 is: 1,102,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,635.20 : 1,812,897.60 = 735,817.60 : x
  2. Step 2: Convert to fraction form
    1,209,635.20/1,812,897.60 = 735,817.60/x
  3. Step 3: Cross multiply
    1,209,635.20x = 1,812,897.60 × 735,817.60
  4. Step 4: Simplify right side
    1,209,635.20x = 1,333,961,961,077.76
  5. Step 5: Solve for x
    x = 1,333,961,961,077.76/1,209,635.20
  6. Step 6: Final answer
    x = 1,102,780.38

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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.