Home / 1,145,739.60-1,718,390.70-347,047.20

Finding the Fourth Proportional to 1,145,739.60, 1,718,390.70 and 347,047.20

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Solution

The fourth proportional to 1,145,739.60, 1,718,390.70 and 347,047.20 is: 520,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,739.60 : 1,718,390.70 = 347,047.20 : x
  2. Step 2: Convert to fraction form
    1,145,739.60/1,718,390.70 = 347,047.20/x
  3. Step 3: Cross multiply
    1,145,739.60x = 1,718,390.70 × 347,047.20
  4. Step 4: Simplify right side
    1,145,739.60x = 596,362,680,941.04
  5. Step 5: Solve for x
    x = 596,362,680,941.04/1,145,739.60
  6. Step 6: Final answer
    x = 520,504.56

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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.