Home / 1,545,913.40-2,319,842.90-659,436.60

Finding the Fourth Proportional to 1,545,913.40, 2,319,842.90 and 659,436.60

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Solution

The fourth proportional to 1,545,913.40, 2,319,842.90 and 659,436.60 is: 989,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,913.40 : 2,319,842.90 = 659,436.60 : x
  2. Step 2: Convert to fraction form
    1,545,913.40/2,319,842.90 = 659,436.60/x
  3. Step 3: Cross multiply
    1,545,913.40x = 2,319,842.90 × 659,436.60
  4. Step 4: Simplify right side
    1,545,913.40x = 1,529,789,314,510.14
  5. Step 5: Solve for x
    x = 1,529,789,314,510.14/1,545,913.40
  6. Step 6: Final answer
    x = 989,569.86

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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.