Home / 1,437,939.48-2,156,909.94-491,319.48

Finding the Fourth Proportional to 1,437,939.48, 2,156,909.94 and 491,319.48

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Solution

The fourth proportional to 1,437,939.48, 2,156,909.94 and 491,319.48 is: 736,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,939.48 : 2,156,909.94 = 491,319.48 : x
  2. Step 2: Convert to fraction form
    1,437,939.48/2,156,909.94 = 491,319.48/x
  3. Step 3: Cross multiply
    1,437,939.48x = 2,156,909.94 × 491,319.48
  4. Step 4: Simplify right side
    1,437,939.48x = 1,059,731,870,127.63
  5. Step 5: Solve for x
    x = 1,059,731,870,127.63/1,437,939.48
  6. Step 6: Final answer
    x = 736,979.47

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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.