Home / 1,129,411.66-1,693,758.23-371,078.34

Finding the Fourth Proportional to 1,129,411.66, 1,693,758.23 and 371,078.34

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Solution

The fourth proportional to 1,129,411.66, 1,693,758.23 and 371,078.34 is: 556,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,411.66 : 1,693,758.23 = 371,078.34 : x
  2. Step 2: Convert to fraction form
    1,129,411.66/1,693,758.23 = 371,078.34/x
  3. Step 3: Cross multiply
    1,129,411.66x = 1,693,758.23 × 371,078.34
  4. Step 4: Simplify right side
    1,129,411.66x = 628,516,983,880.95
  5. Step 5: Solve for x
    x = 628,516,983,880.95/1,129,411.66
  6. Step 6: Final answer
    x = 556,499.47

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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.