Home / 1,506,664.69-2,079,212.54-818,343.20

Finding the Fourth Proportional to 1,506,664.69, 2,079,212.54 and 818,343.20

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Solution

The fourth proportional to 1,506,664.69, 2,079,212.54 and 818,343.20 is: 1,129,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,664.69 : 2,079,212.54 = 818,343.20 : x
  2. Step 2: Convert to fraction form
    1,506,664.69/2,079,212.54 = 818,343.20/x
  3. Step 3: Cross multiply
    1,506,664.69x = 2,079,212.54 × 818,343.20
  4. Step 4: Simplify right side
    1,506,664.69x = 1,701,509,439,372.01
  5. Step 5: Solve for x
    x = 1,701,509,439,372.01/1,506,664.69
  6. Step 6: Final answer
    x = 1,129,321.91

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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.