Home / 1,108,807.20-1,662,724.80-509,569.20

Finding the Fourth Proportional to 1,108,807.20, 1,662,724.80 and 509,569.20

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Solution

The fourth proportional to 1,108,807.20, 1,662,724.80 and 509,569.20 is: 764,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,807.20 : 1,662,724.80 = 509,569.20 : x
  2. Step 2: Convert to fraction form
    1,108,807.20/1,662,724.80 = 509,569.20/x
  3. Step 3: Cross multiply
    1,108,807.20x = 1,662,724.80 × 509,569.20
  4. Step 4: Simplify right side
    1,108,807.20x = 847,273,346,156.16
  5. Step 5: Solve for x
    x = 847,273,346,156.16/1,108,807.20
  6. Step 6: Final answer
    x = 764,130.45

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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.