Home / 1,039,520.40-1,559,280.60-929,295.60

Finding the Fourth Proportional to 1,039,520.40, 1,559,280.60 and 929,295.60

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Solution

The fourth proportional to 1,039,520.40, 1,559,280.60 and 929,295.60 is: 1,393,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,520.40 : 1,559,280.60 = 929,295.60 : x
  2. Step 2: Convert to fraction form
    1,039,520.40/1,559,280.60 = 929,295.60/x
  3. Step 3: Cross multiply
    1,039,520.40x = 1,559,280.60 × 929,295.60
  4. Step 4: Simplify right side
    1,039,520.40x = 1,449,032,600,745.36
  5. Step 5: Solve for x
    x = 1,449,032,600,745.36/1,039,520.40
  6. Step 6: Final answer
    x = 1,393,943.40

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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.