Home / 1,284,521.22-1,772,747.34-711,614.70

Finding the Fourth Proportional to 1,284,521.22, 1,772,747.34 and 711,614.70

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Solution

The fourth proportional to 1,284,521.22, 1,772,747.34 and 711,614.70 is: 982,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,521.22 : 1,772,747.34 = 711,614.70 : x
  2. Step 2: Convert to fraction form
    1,284,521.22/1,772,747.34 = 711,614.70/x
  3. Step 3: Cross multiply
    1,284,521.22x = 1,772,747.34 × 711,614.70
  4. Step 4: Simplify right side
    1,284,521.22x = 1,261,513,066,529.90
  5. Step 5: Solve for x
    x = 1,261,513,066,529.90/1,284,521.22
  6. Step 6: Final answer
    x = 982,088.15

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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.