Home / 1,357,486.10-2,033,129.08-648,012.38

Finding the Fourth Proportional to 1,357,486.10, 2,033,129.08 and 648,012.38

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Solution

The fourth proportional to 1,357,486.10, 2,033,129.08 and 648,012.38 is: 970,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,486.10 : 2,033,129.08 = 648,012.38 : x
  2. Step 2: Convert to fraction form
    1,357,486.10/2,033,129.08 = 648,012.38/x
  3. Step 3: Cross multiply
    1,357,486.10x = 2,033,129.08 × 648,012.38
  4. Step 4: Simplify right side
    1,357,486.10x = 1,317,492,813,978.01
  5. Step 5: Solve for x
    x = 1,317,492,813,978.01/1,357,486.10
  6. Step 6: Final answer
    x = 970,538.71

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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.