Home / 849,399.60-1,276,000.20-709,431.60

Finding the Fourth Proportional to 849,399.60, 1,276,000.20 and 709,431.60

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Solution

The fourth proportional to 849,399.60, 1,276,000.20 and 709,431.60 is: 1,065,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,399.60 : 1,276,000.20 = 709,431.60 : x
  2. Step 2: Convert to fraction form
    849,399.60/1,276,000.20 = 709,431.60/x
  3. Step 3: Cross multiply
    849,399.60x = 1,276,000.20 × 709,431.60
  4. Step 4: Simplify right side
    849,399.60x = 905,234,863,486.32
  5. Step 5: Solve for x
    x = 905,234,863,486.32/849,399.60
  6. Step 6: Final answer
    x = 1,065,734.98

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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.