Home / 1,439,947.40-2,159,337.90-492,830.60

Finding the Fourth Proportional to 1,439,947.40, 2,159,337.90 and 492,830.60

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Solution

The fourth proportional to 1,439,947.40, 2,159,337.90 and 492,830.60 is: 739,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,947.40 : 2,159,337.90 = 492,830.60 : x
  2. Step 2: Convert to fraction form
    1,439,947.40/2,159,337.90 = 492,830.60/x
  3. Step 3: Cross multiply
    1,439,947.40x = 2,159,337.90 × 492,830.60
  4. Step 4: Simplify right side
    1,439,947.40x = 1,064,187,792,859.74
  5. Step 5: Solve for x
    x = 1,064,187,792,859.74/1,439,947.40
  6. Step 6: Final answer
    x = 739,046.30

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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.