Home / 1,323,445.76-1,985,351.68-424,676.16

Finding the Fourth Proportional to 1,323,445.76, 1,985,351.68 and 424,676.16

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Solution

The fourth proportional to 1,323,445.76, 1,985,351.68 and 424,676.16 is: 637,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,445.76 : 1,985,351.68 = 424,676.16 : x
  2. Step 2: Convert to fraction form
    1,323,445.76/1,985,351.68 = 424,676.16/x
  3. Step 3: Cross multiply
    1,323,445.76x = 1,985,351.68 × 424,676.16
  4. Step 4: Simplify right side
    1,323,445.76x = 843,131,527,711.95
  5. Step 5: Solve for x
    x = 843,131,527,711.95/1,323,445.76
  6. Step 6: Final answer
    x = 637,072.98

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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.