Home / 1,146,187.80-1,717,313.40-746,622.90

Finding the Fourth Proportional to 1,146,187.80, 1,717,313.40 and 746,622.90

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Solution

The fourth proportional to 1,146,187.80, 1,717,313.40 and 746,622.90 is: 1,118,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,187.80 : 1,717,313.40 = 746,622.90 : x
  2. Step 2: Convert to fraction form
    1,146,187.80/1,717,313.40 = 746,622.90/x
  3. Step 3: Cross multiply
    1,146,187.80x = 1,717,313.40 × 746,622.90
  4. Step 4: Simplify right side
    1,146,187.80x = 1,282,185,510,916.86
  5. Step 5: Solve for x
    x = 1,282,185,510,916.86/1,146,187.80
  6. Step 6: Final answer
    x = 1,118,652.21

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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.