Home / 862,045.28-1,188,462.90-603,574.52

Finding the Fourth Proportional to 862,045.28, 1,188,462.90 and 603,574.52

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Solution

The fourth proportional to 862,045.28, 1,188,462.90 and 603,574.52 is: 832,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,045.28 : 1,188,462.90 = 603,574.52 : x
  2. Step 2: Convert to fraction form
    862,045.28/1,188,462.90 = 603,574.52/x
  3. Step 3: Cross multiply
    862,045.28x = 1,188,462.90 × 603,574.52
  4. Step 4: Simplify right side
    862,045.28x = 717,325,924,405.31
  5. Step 5: Solve for x
    x = 717,325,924,405.31/862,045.28
  6. Step 6: Final answer
    x = 832,120.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.