Home / 1,507,769.42-2,080,737.90-819,441.32

Finding the Fourth Proportional to 1,507,769.42, 2,080,737.90 and 819,441.32

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Solution

The fourth proportional to 1,507,769.42, 2,080,737.90 and 819,441.32 is: 1,130,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,769.42 : 2,080,737.90 = 819,441.32 : x
  2. Step 2: Convert to fraction form
    1,507,769.42/2,080,737.90 = 819,441.32/x
  3. Step 3: Cross multiply
    1,507,769.42x = 2,080,737.90 × 819,441.32
  4. Step 4: Simplify right side
    1,507,769.42x = 1,705,042,600,946.34
  5. Step 5: Solve for x
    x = 1,705,042,600,946.34/1,507,769.42
  6. Step 6: Final answer
    x = 1,130,837.77

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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.