Home / 1,142,583.60-1,714,312.80-1,124,650.20

Finding the Fourth Proportional to 1,142,583.60, 1,714,312.80 and 1,124,650.20

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Solution

The fourth proportional to 1,142,583.60, 1,714,312.80 and 1,124,650.20 is: 1,687,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,583.60 : 1,714,312.80 = 1,124,650.20 : x
  2. Step 2: Convert to fraction form
    1,142,583.60/1,714,312.80 = 1,124,650.20/x
  3. Step 3: Cross multiply
    1,142,583.60x = 1,714,312.80 × 1,124,650.20
  4. Step 4: Simplify right side
    1,142,583.60x = 1,928,002,233,382.56
  5. Step 5: Solve for x
    x = 1,928,002,233,382.56/1,142,583.60
  6. Step 6: Final answer
    x = 1,687,405.83

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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.