Home / 1,107,187.70-1,660,695.15-433,138.10

Finding the Fourth Proportional to 1,107,187.70, 1,660,695.15 and 433,138.10

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Solution

The fourth proportional to 1,107,187.70, 1,660,695.15 and 433,138.10 is: 649,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,187.70 : 1,660,695.15 = 433,138.10 : x
  2. Step 2: Convert to fraction form
    1,107,187.70/1,660,695.15 = 433,138.10/x
  3. Step 3: Cross multiply
    1,107,187.70x = 1,660,695.15 × 433,138.10
  4. Step 4: Simplify right side
    1,107,187.70x = 719,310,341,950.22
  5. Step 5: Solve for x
    x = 719,310,341,950.22/1,107,187.70
  6. Step 6: Final answer
    x = 649,673.35

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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.