Home / 1,319,612.40-1,821,086.28-716,000.40

Finding the Fourth Proportional to 1,319,612.40, 1,821,086.28 and 716,000.40

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Solution

The fourth proportional to 1,319,612.40, 1,821,086.28 and 716,000.40 is: 988,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,612.40 : 1,821,086.28 = 716,000.40 : x
  2. Step 2: Convert to fraction form
    1,319,612.40/1,821,086.28 = 716,000.40/x
  3. Step 3: Cross multiply
    1,319,612.40x = 1,821,086.28 × 716,000.40
  4. Step 4: Simplify right side
    1,319,612.40x = 1,303,898,504,914.51
  5. Step 5: Solve for x
    x = 1,303,898,504,914.51/1,319,612.40
  6. Step 6: Final answer
    x = 988,092.04

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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.