Home / 1,663,446.64-2,295,570.08-918,396.48

Finding the Fourth Proportional to 1,663,446.64, 2,295,570.08 and 918,396.48

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Solution

The fourth proportional to 1,663,446.64, 2,295,570.08 and 918,396.48 is: 1,267,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,446.64 : 2,295,570.08 = 918,396.48 : x
  2. Step 2: Convert to fraction form
    1,663,446.64/2,295,570.08 = 918,396.48/x
  3. Step 3: Cross multiply
    1,663,446.64x = 2,295,570.08 × 918,396.48
  4. Step 4: Simplify right side
    1,663,446.64x = 2,108,243,481,065.32
  5. Step 5: Solve for x
    x = 2,108,243,481,065.32/1,663,446.64
  6. Step 6: Final answer
    x = 1,267,394.72

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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.