Home / 984,190.40-1,475,497.20-905,458.40

Finding the Fourth Proportional to 984,190.40, 1,475,497.20 and 905,458.40

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Solution

The fourth proportional to 984,190.40, 1,475,497.20 and 905,458.40 is: 1,357,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,190.40 : 1,475,497.20 = 905,458.40 : x
  2. Step 2: Convert to fraction form
    984,190.40/1,475,497.20 = 905,458.40/x
  3. Step 3: Cross multiply
    984,190.40x = 1,475,497.20 × 905,458.40
  4. Step 4: Simplify right side
    984,190.40x = 1,336,001,333,916.48
  5. Step 5: Solve for x
    x = 1,336,001,333,916.48/984,190.40
  6. Step 6: Final answer
    x = 1,357,462.27

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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.