Home / 1,073,605.07-1,612,538.80-642,153.71

Finding the Fourth Proportional to 1,073,605.07, 1,612,538.80 and 642,153.71

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Solution

The fourth proportional to 1,073,605.07, 1,612,538.80 and 642,153.71 is: 964,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,605.07 : 1,612,538.80 = 642,153.71 : x
  2. Step 2: Convert to fraction form
    1,073,605.07/1,612,538.80 = 642,153.71/x
  3. Step 3: Cross multiply
    1,073,605.07x = 1,612,538.80 × 642,153.71
  4. Step 4: Simplify right side
    1,073,605.07x = 1,035,497,775,364.91
  5. Step 5: Solve for x
    x = 1,035,497,775,364.91/1,073,605.07
  6. Step 6: Final answer
    x = 964,505.29

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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.