Home / 1,171,678.55-1,755,798.36-660,339.15

Finding the Fourth Proportional to 1,171,678.55, 1,755,798.36 and 660,339.15

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Solution

The fourth proportional to 1,171,678.55, 1,755,798.36 and 660,339.15 is: 989,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,678.55 : 1,755,798.36 = 660,339.15 : x
  2. Step 2: Convert to fraction form
    1,171,678.55/1,755,798.36 = 660,339.15/x
  3. Step 3: Cross multiply
    1,171,678.55x = 1,755,798.36 × 660,339.15
  4. Step 4: Simplify right side
    1,171,678.55x = 1,159,422,396,613.79
  5. Step 5: Solve for x
    x = 1,159,422,396,613.79/1,171,678.55
  6. Step 6: Final answer
    x = 989,539.66

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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.