Home / 1,266,941.34-1,900,018.62-457,220.52

Finding the Fourth Proportional to 1,266,941.34, 1,900,018.62 and 457,220.52

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Solution

The fourth proportional to 1,266,941.34, 1,900,018.62 and 457,220.52 is: 685,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,941.34 : 1,900,018.62 = 457,220.52 : x
  2. Step 2: Convert to fraction form
    1,266,941.34/1,900,018.62 = 457,220.52/x
  3. Step 3: Cross multiply
    1,266,941.34x = 1,900,018.62 × 457,220.52
  4. Step 4: Simplify right side
    1,266,941.34x = 868,727,501,446.08
  5. Step 5: Solve for x
    x = 868,727,501,446.08/1,266,941.34
  6. Step 6: Final answer
    x = 685,688.81

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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.