Home / 1,061,367.68-1,592,047.92-430,280

Finding the Fourth Proportional to 1,061,367.68, 1,592,047.92 and 430,280

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Solution

The fourth proportional to 1,061,367.68, 1,592,047.92 and 430,280 is: 645,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,367.68 : 1,592,047.92 = 430,280 : x
  2. Step 2: Convert to fraction form
    1,061,367.68/1,592,047.92 = 430,280/x
  3. Step 3: Cross multiply
    1,061,367.68x = 1,592,047.92 × 430,280
  4. Step 4: Simplify right side
    1,061,367.68x = 685,026,379,017.60
  5. Step 5: Solve for x
    x = 685,026,379,017.60/1,061,367.68
  6. Step 6: Final answer
    x = 645,418.54

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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.