Home / 1,574,004.60-2,361,006.90-1,231,520.40

Finding the Fourth Proportional to 1,574,004.60, 2,361,006.90 and 1,231,520.40

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Solution

The fourth proportional to 1,574,004.60, 2,361,006.90 and 1,231,520.40 is: 1,847,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,004.60 : 2,361,006.90 = 1,231,520.40 : x
  2. Step 2: Convert to fraction form
    1,574,004.60/2,361,006.90 = 1,231,520.40/x
  3. Step 3: Cross multiply
    1,574,004.60x = 2,361,006.90 × 1,231,520.40
  4. Step 4: Simplify right side
    1,574,004.60x = 2,907,628,161,890.76
  5. Step 5: Solve for x
    x = 2,907,628,161,890.76/1,574,004.60
  6. Step 6: Final answer
    x = 1,847,280.60

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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.