Home / 1,245,045.72-1,868,151.84-613,615.08

Finding the Fourth Proportional to 1,245,045.72, 1,868,151.84 and 613,615.08

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Solution

The fourth proportional to 1,245,045.72, 1,868,151.84 and 613,615.08 is: 920,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,045.72 : 1,868,151.84 = 613,615.08 : x
  2. Step 2: Convert to fraction form
    1,245,045.72/1,868,151.84 = 613,615.08/x
  3. Step 3: Cross multiply
    1,245,045.72x = 1,868,151.84 × 613,615.08
  4. Step 4: Simplify right side
    1,245,045.72x = 1,146,326,140,753.75
  5. Step 5: Solve for x
    x = 1,146,326,140,753.75/1,245,045.72
  6. Step 6: Final answer
    x = 920,710.08

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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.