Home / 742,639.68-1,113,981.12-181,674

Finding the Fourth Proportional to 742,639.68, 1,113,981.12 and 181,674

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Solution

The fourth proportional to 742,639.68, 1,113,981.12 and 181,674 is: 272,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,639.68 : 1,113,981.12 = 181,674 : x
  2. Step 2: Convert to fraction form
    742,639.68/1,113,981.12 = 181,674/x
  3. Step 3: Cross multiply
    742,639.68x = 1,113,981.12 × 181,674
  4. Step 4: Simplify right side
    742,639.68x = 202,381,405,994.88
  5. Step 5: Solve for x
    x = 202,381,405,994.88/742,639.68
  6. Step 6: Final answer
    x = 272,516.28

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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.