Home / 1,001,491.42-1,500,525.63-715,721.95

Finding the Fourth Proportional to 1,001,491.42, 1,500,525.63 and 715,721.95

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Solution

The fourth proportional to 1,001,491.42, 1,500,525.63 and 715,721.95 is: 1,072,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,491.42 : 1,500,525.63 = 715,721.95 : x
  2. Step 2: Convert to fraction form
    1,001,491.42/1,500,525.63 = 715,721.95/x
  3. Step 3: Cross multiply
    1,001,491.42x = 1,500,525.63 × 715,721.95
  4. Step 4: Simplify right side
    1,001,491.42x = 1,073,959,129,596.98
  5. Step 5: Solve for x
    x = 1,073,959,129,596.98/1,001,491.42
  6. Step 6: Final answer
    x = 1,072,359.79

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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.