Home / 1,108,807.70-1,662,725.55-509,569.70

Finding the Fourth Proportional to 1,108,807.70, 1,662,725.55 and 509,569.70

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Solution

The fourth proportional to 1,108,807.70, 1,662,725.55 and 509,569.70 is: 764,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,807.70 : 1,662,725.55 = 509,569.70 : x
  2. Step 2: Convert to fraction form
    1,108,807.70/1,662,725.55 = 509,569.70/x
  3. Step 3: Cross multiply
    1,108,807.70x = 1,662,725.55 × 509,569.70
  4. Step 4: Simplify right side
    1,108,807.70x = 847,274,559,695.84
  5. Step 5: Solve for x
    x = 847,274,559,695.84/1,108,807.70
  6. Step 6: Final answer
    x = 764,131.20

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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.