Home / 1,215,216.21-1,677,140.87-732,025.29

Finding the Fourth Proportional to 1,215,216.21, 1,677,140.87 and 732,025.29

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Solution

The fourth proportional to 1,215,216.21, 1,677,140.87 and 732,025.29 is: 1,010,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,216.21 : 1,677,140.87 = 732,025.29 : x
  2. Step 2: Convert to fraction form
    1,215,216.21/1,677,140.87 = 732,025.29/x
  3. Step 3: Cross multiply
    1,215,216.21x = 1,677,140.87 × 732,025.29
  4. Step 4: Simplify right side
    1,215,216.21x = 1,227,709,528,072.48
  5. Step 5: Solve for x
    x = 1,227,709,528,072.48/1,215,216.21
  6. Step 6: Final answer
    x = 1,010,280.74

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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.