Home / 1,143,133.60-1,714,350.16-790,414.24

Finding the Fourth Proportional to 1,143,133.60, 1,714,350.16 and 790,414.24

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Solution

The fourth proportional to 1,143,133.60, 1,714,350.16 and 790,414.24 is: 1,185,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,133.60 : 1,714,350.16 = 790,414.24 : x
  2. Step 2: Convert to fraction form
    1,143,133.60/1,714,350.16 = 790,414.24/x
  3. Step 3: Cross multiply
    1,143,133.60x = 1,714,350.16 × 790,414.24
  4. Step 4: Simplify right side
    1,143,133.60x = 1,355,046,778,810.28
  5. Step 5: Solve for x
    x = 1,355,046,778,810.28/1,143,133.60
  6. Step 6: Final answer
    x = 1,185,379.19

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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.