Home / 1,432,516.48-2,148,541.16-421,401.96

Finding the Fourth Proportional to 1,432,516.48, 2,148,541.16 and 421,401.96

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Solution

The fourth proportional to 1,432,516.48, 2,148,541.16 and 421,401.96 is: 632,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,516.48 : 2,148,541.16 = 421,401.96 : x
  2. Step 2: Convert to fraction form
    1,432,516.48/2,148,541.16 = 421,401.96/x
  3. Step 3: Cross multiply
    1,432,516.48x = 2,148,541.16 × 421,401.96
  4. Step 4: Simplify right side
    1,432,516.48x = 905,399,455,964.67
  5. Step 5: Solve for x
    x = 905,399,455,964.67/1,432,516.48
  6. Step 6: Final answer
    x = 632,034.23

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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.