Home / 1,116,411.81-1,674,166.94-432,938.80

Finding the Fourth Proportional to 1,116,411.81, 1,674,166.94 and 432,938.80

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Solution

The fourth proportional to 1,116,411.81, 1,674,166.94 and 432,938.80 is: 649,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,411.81 : 1,674,166.94 = 432,938.80 : x
  2. Step 2: Convert to fraction form
    1,116,411.81/1,674,166.94 = 432,938.80/x
  3. Step 3: Cross multiply
    1,116,411.81x = 1,674,166.94 × 432,938.80
  4. Step 4: Simplify right side
    1,116,411.81x = 724,811,826,003.27
  5. Step 5: Solve for x
    x = 724,811,826,003.27/1,116,411.81
  6. Step 6: Final answer
    x = 649,233.39

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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.