Home / 1,104,844.40-1,658,141.40-431,248.40

Finding the Fourth Proportional to 1,104,844.40, 1,658,141.40 and 431,248.40

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Solution

The fourth proportional to 1,104,844.40, 1,658,141.40 and 431,248.40 is: 647,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,844.40 : 1,658,141.40 = 431,248.40 : x
  2. Step 2: Convert to fraction form
    1,104,844.40/1,658,141.40 = 431,248.40/x
  3. Step 3: Cross multiply
    1,104,844.40x = 1,658,141.40 × 431,248.40
  4. Step 4: Simplify right side
    1,104,844.40x = 715,070,825,723.76
  5. Step 5: Solve for x
    x = 715,070,825,723.76/1,104,844.40
  6. Step 6: Final answer
    x = 647,214.06

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Double scale
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1.5x scale

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.