Home / 1,245,153.92-1,867,927.48-435,764.36

Finding the Fourth Proportional to 1,245,153.92, 1,867,927.48 and 435,764.36

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Solution

The fourth proportional to 1,245,153.92, 1,867,927.48 and 435,764.36 is: 653,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,153.92 : 1,867,927.48 = 435,764.36 : x
  2. Step 2: Convert to fraction form
    1,245,153.92/1,867,927.48 = 435,764.36/x
  3. Step 3: Cross multiply
    1,245,153.92x = 1,867,927.48 × 435,764.36
  4. Step 4: Simplify right side
    1,245,153.92x = 813,976,218,373.10
  5. Step 5: Solve for x
    x = 813,976,218,373.10/1,245,153.92
  6. Step 6: Final answer
    x = 653,715.34

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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.