Home / 1,022,885.47-1,534,272.57-312,913.51

Finding the Fourth Proportional to 1,022,885.47, 1,534,272.57 and 312,913.51

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Solution

The fourth proportional to 1,022,885.47, 1,534,272.57 and 312,913.51 is: 469,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,885.47 : 1,534,272.57 = 312,913.51 : x
  2. Step 2: Convert to fraction form
    1,022,885.47/1,534,272.57 = 312,913.51/x
  3. Step 3: Cross multiply
    1,022,885.47x = 1,534,272.57 × 312,913.51
  4. Step 4: Simplify right side
    1,022,885.47x = 480,094,611,339.74
  5. Step 5: Solve for x
    x = 480,094,611,339.74/1,022,885.47
  6. Step 6: Final answer
    x = 469,353.24

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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.