Home / 1,606,980.69-2,217,084.07-918,158.31

Finding the Fourth Proportional to 1,606,980.69, 2,217,084.07 and 918,158.31

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Solution

The fourth proportional to 1,606,980.69, 2,217,084.07 and 918,158.31 is: 1,266,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,980.69 : 2,217,084.07 = 918,158.31 : x
  2. Step 2: Convert to fraction form
    1,606,980.69/2,217,084.07 = 918,158.31/x
  3. Step 3: Cross multiply
    1,606,980.69x = 2,217,084.07 × 918,158.31
  4. Step 4: Simplify right side
    1,606,980.69x = 2,035,634,162,839.12
  5. Step 5: Solve for x
    x = 2,035,634,162,839.12/1,606,980.69
  6. Step 6: Final answer
    x = 1,266,744.63

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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.