Home / 1,154,230.47-1,731,531.75-355,511.64

Finding the Fourth Proportional to 1,154,230.47, 1,731,531.75 and 355,511.64

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Solution

The fourth proportional to 1,154,230.47, 1,731,531.75 and 355,511.64 is: 533,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,230.47 : 1,731,531.75 = 355,511.64 : x
  2. Step 2: Convert to fraction form
    1,154,230.47/1,731,531.75 = 355,511.64/x
  3. Step 3: Cross multiply
    1,154,230.47x = 1,731,531.75 × 355,511.64
  4. Step 4: Simplify right side
    1,154,230.47x = 615,579,692,154.57
  5. Step 5: Solve for x
    x = 615,579,692,154.57/1,154,230.47
  6. Step 6: Final answer
    x = 533,324.76

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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.