Home / 1,525,760.64-2,105,478.72-846,691.20

Finding the Fourth Proportional to 1,525,760.64, 2,105,478.72 and 846,691.20

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Solution

The fourth proportional to 1,525,760.64, 2,105,478.72 and 846,691.20 is: 1,168,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,760.64 : 2,105,478.72 = 846,691.20 : x
  2. Step 2: Convert to fraction form
    1,525,760.64/2,105,478.72 = 846,691.20/x
  3. Step 3: Cross multiply
    1,525,760.64x = 2,105,478.72 × 846,691.20
  4. Step 4: Simplify right side
    1,525,760.64x = 1,782,690,304,011.26
  5. Step 5: Solve for x
    x = 1,782,690,304,011.26/1,525,760.64
  6. Step 6: Final answer
    x = 1,168,394.48

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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.