Home / 1,108,817.70-1,662,740.55-509,579.70

Finding the Fourth Proportional to 1,108,817.70, 1,662,740.55 and 509,579.70

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Solution

The fourth proportional to 1,108,817.70, 1,662,740.55 and 509,579.70 is: 764,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,817.70 : 1,662,740.55 = 509,579.70 : x
  2. Step 2: Convert to fraction form
    1,108,817.70/1,662,740.55 = 509,579.70/x
  3. Step 3: Cross multiply
    1,108,817.70x = 1,662,740.55 × 509,579.70
  4. Step 4: Simplify right side
    1,108,817.70x = 847,298,830,646.84
  5. Step 5: Solve for x
    x = 847,298,830,646.84/1,108,817.70
  6. Step 6: Final answer
    x = 764,146.20

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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.