Home / 1,316,665.12-1,975,065.99-418,177.18

Finding the Fourth Proportional to 1,316,665.12, 1,975,065.99 and 418,177.18

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Solution

The fourth proportional to 1,316,665.12, 1,975,065.99 and 418,177.18 is: 627,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,665.12 : 1,975,065.99 = 418,177.18 : x
  2. Step 2: Convert to fraction form
    1,316,665.12/1,975,065.99 = 418,177.18/x
  3. Step 3: Cross multiply
    1,316,665.12x = 1,975,065.99 × 418,177.18
  4. Step 4: Simplify right side
    1,316,665.12x = 825,927,526,012.11
  5. Step 5: Solve for x
    x = 825,927,526,012.11/1,316,665.12
  6. Step 6: Final answer
    x = 627,287.47

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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.