Home / 1,324,251.40-1,827,460.02-720,643.72

Finding the Fourth Proportional to 1,324,251.40, 1,827,460.02 and 720,643.72

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Solution

The fourth proportional to 1,324,251.40, 1,827,460.02 and 720,643.72 is: 994,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,251.40 : 1,827,460.02 = 720,643.72 : x
  2. Step 2: Convert to fraction form
    1,324,251.40/1,827,460.02 = 720,643.72/x
  3. Step 3: Cross multiply
    1,324,251.40x = 1,827,460.02 × 720,643.72
  4. Step 4: Simplify right side
    1,324,251.40x = 1,316,947,586,964.07
  5. Step 5: Solve for x
    x = 1,316,947,586,964.07/1,324,251.40
  6. Step 6: Final answer
    x = 994,484.57

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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.