Home / 980,159.40-1,470,584.70-945,599.40

Finding the Fourth Proportional to 980,159.40, 1,470,584.70 and 945,599.40

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Solution

The fourth proportional to 980,159.40, 1,470,584.70 and 945,599.40 is: 1,418,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,159.40 : 1,470,584.70 = 945,599.40 : x
  2. Step 2: Convert to fraction form
    980,159.40/1,470,584.70 = 945,599.40/x
  3. Step 3: Cross multiply
    980,159.40x = 1,470,584.70 × 945,599.40
  4. Step 4: Simplify right side
    980,159.40x = 1,390,584,009,969.18
  5. Step 5: Solve for x
    x = 1,390,584,009,969.18/980,159.40
  6. Step 6: Final answer
    x = 1,418,732.51

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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.