Home / 1,606,979.69-2,217,082.70-918,157.31

Finding the Fourth Proportional to 1,606,979.69, 2,217,082.70 and 918,157.31

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Solution

The fourth proportional to 1,606,979.69, 2,217,082.70 and 918,157.31 is: 1,266,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,979.69 : 2,217,082.70 = 918,157.31 : x
  2. Step 2: Convert to fraction form
    1,606,979.69/2,217,082.70 = 918,157.31/x
  3. Step 3: Cross multiply
    1,606,979.69x = 2,217,082.70 × 918,157.31
  4. Step 4: Simplify right side
    1,606,979.69x = 2,035,630,683,288.75
  5. Step 5: Solve for x
    x = 2,035,630,683,288.75/1,606,979.69
  6. Step 6: Final answer
    x = 1,266,743.26

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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.