Home / 1,551,362.80-2,327,044.20-429,431.80

Finding the Fourth Proportional to 1,551,362.80, 2,327,044.20 and 429,431.80

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Solution

The fourth proportional to 1,551,362.80, 2,327,044.20 and 429,431.80 is: 644,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,362.80 : 2,327,044.20 = 429,431.80 : x
  2. Step 2: Convert to fraction form
    1,551,362.80/2,327,044.20 = 429,431.80/x
  3. Step 3: Cross multiply
    1,551,362.80x = 2,327,044.20 × 429,431.80
  4. Step 4: Simplify right side
    1,551,362.80x = 999,306,779,485.56
  5. Step 5: Solve for x
    x = 999,306,779,485.56/1,551,362.80
  6. Step 6: Final answer
    x = 644,147.70

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Double scale
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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.