Home / 1,252,434.34-1,728,446.25-708,572.26

Finding the Fourth Proportional to 1,252,434.34, 1,728,446.25 and 708,572.26

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Solution

The fourth proportional to 1,252,434.34, 1,728,446.25 and 708,572.26 is: 977,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,434.34 : 1,728,446.25 = 708,572.26 : x
  2. Step 2: Convert to fraction form
    1,252,434.34/1,728,446.25 = 708,572.26/x
  3. Step 3: Cross multiply
    1,252,434.34x = 1,728,446.25 × 708,572.26
  4. Step 4: Simplify right side
    1,252,434.34x = 1,224,729,065,651.02
  5. Step 5: Solve for x
    x = 1,224,729,065,651.02/1,252,434.34
  6. Step 6: Final answer
    x = 977,878.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.