Home / 1,142,263.16-1,711,592.24-421,612.98

Finding the Fourth Proportional to 1,142,263.16, 1,711,592.24 and 421,612.98

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Solution

The fourth proportional to 1,142,263.16, 1,711,592.24 and 421,612.98 is: 631,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,263.16 : 1,711,592.24 = 421,612.98 : x
  2. Step 2: Convert to fraction form
    1,142,263.16/1,711,592.24 = 421,612.98/x
  3. Step 3: Cross multiply
    1,142,263.16x = 1,711,592.24 × 421,612.98
  4. Step 4: Simplify right side
    1,142,263.16x = 721,629,504,851.28
  5. Step 5: Solve for x
    x = 721,629,504,851.28/1,142,263.16
  6. Step 6: Final answer
    x = 631,754.16

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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.