Home / 723,935.80-1,085,903.70-671,447.80

Finding the Fourth Proportional to 723,935.80, 1,085,903.70 and 671,447.80

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Solution

The fourth proportional to 723,935.80, 1,085,903.70 and 671,447.80 is: 1,007,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,935.80 : 1,085,903.70 = 671,447.80 : x
  2. Step 2: Convert to fraction form
    723,935.80/1,085,903.70 = 671,447.80/x
  3. Step 3: Cross multiply
    723,935.80x = 1,085,903.70 × 671,447.80
  4. Step 4: Simplify right side
    723,935.80x = 729,127,650,376.86
  5. Step 5: Solve for x
    x = 729,127,650,376.86/723,935.80
  6. Step 6: Final answer
    x = 1,007,171.70

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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.