Home / 1,388,466.32-1,916,058.16-784,854.32

Finding the Fourth Proportional to 1,388,466.32, 1,916,058.16 and 784,854.32

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Solution

The fourth proportional to 1,388,466.32, 1,916,058.16 and 784,854.32 is: 1,083,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,466.32 : 1,916,058.16 = 784,854.32 : x
  2. Step 2: Convert to fraction form
    1,388,466.32/1,916,058.16 = 784,854.32/x
  3. Step 3: Cross multiply
    1,388,466.32x = 1,916,058.16 × 784,854.32
  4. Step 4: Simplify right side
    1,388,466.32x = 1,503,826,524,247.25
  5. Step 5: Solve for x
    x = 1,503,826,524,247.25/1,388,466.32
  6. Step 6: Final answer
    x = 1,083,084.63

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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.