Home / 1,142,253.16-1,711,577.25-421,602.97

Finding the Fourth Proportional to 1,142,253.16, 1,711,577.25 and 421,602.97

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Solution

The fourth proportional to 1,142,253.16, 1,711,577.25 and 421,602.97 is: 631,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,253.16 : 1,711,577.25 = 421,602.97 : x
  2. Step 2: Convert to fraction form
    1,142,253.16/1,711,577.25 = 421,602.97/x
  3. Step 3: Cross multiply
    1,142,253.16x = 1,711,577.25 × 421,602.97
  4. Step 4: Simplify right side
    1,142,253.16x = 721,606,051,984.43
  5. Step 5: Solve for x
    x = 721,606,051,984.43/1,142,253.16
  6. Step 6: Final answer
    x = 631,739.16

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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.