Home / 1,341,261.40-2,011,892.10-711,405.40

Finding the Fourth Proportional to 1,341,261.40, 2,011,892.10 and 711,405.40

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Solution

The fourth proportional to 1,341,261.40, 2,011,892.10 and 711,405.40 is: 1,067,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,261.40 : 2,011,892.10 = 711,405.40 : x
  2. Step 2: Convert to fraction form
    1,341,261.40/2,011,892.10 = 711,405.40/x
  3. Step 3: Cross multiply
    1,341,261.40x = 2,011,892.10 × 711,405.40
  4. Step 4: Simplify right side
    1,341,261.40x = 1,431,270,904,157.34
  5. Step 5: Solve for x
    x = 1,431,270,904,157.34/1,341,261.40
  6. Step 6: Final answer
    x = 1,067,108.10

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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.