Home / 1,679,281.24-2,317,339.38-915,318.04

Finding the Fourth Proportional to 1,679,281.24, 2,317,339.38 and 915,318.04

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Solution

The fourth proportional to 1,679,281.24, 2,317,339.38 and 915,318.04 is: 1,263,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,281.24 : 2,317,339.38 = 915,318.04 : x
  2. Step 2: Convert to fraction form
    1,679,281.24/2,317,339.38 = 915,318.04/x
  3. Step 3: Cross multiply
    1,679,281.24x = 2,317,339.38 × 915,318.04
  4. Step 4: Simplify right side
    1,679,281.24x = 2,121,102,539,316.42
  5. Step 5: Solve for x
    x = 2,121,102,539,316.42/1,679,281.24
  6. Step 6: Final answer
    x = 1,263,101.43

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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.