Home / 1,323,592.50-1,985,201.28-424,915.89

Finding the Fourth Proportional to 1,323,592.50, 1,985,201.28 and 424,915.89

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Solution

The fourth proportional to 1,323,592.50, 1,985,201.28 and 424,915.89 is: 637,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,592.50 : 1,985,201.28 = 424,915.89 : x
  2. Step 2: Convert to fraction form
    1,323,592.50/1,985,201.28 = 424,915.89/x
  3. Step 3: Cross multiply
    1,323,592.50x = 1,985,201.28 × 424,915.89
  4. Step 4: Simplify right side
    1,323,592.50x = 843,543,568,720.34
  5. Step 5: Solve for x
    x = 843,543,568,720.34/1,323,592.50
  6. Step 6: Final answer
    x = 637,313.65

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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.