Home / 1,011,782.40-1,396,339.34-576,218.20

Finding the Fourth Proportional to 1,011,782.40, 1,396,339.34 and 576,218.20

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Solution

The fourth proportional to 1,011,782.40, 1,396,339.34 and 576,218.20 is: 795,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,782.40 : 1,396,339.34 = 576,218.20 : x
  2. Step 2: Convert to fraction form
    1,011,782.40/1,396,339.34 = 576,218.20/x
  3. Step 3: Cross multiply
    1,011,782.40x = 1,396,339.34 × 576,218.20
  4. Step 4: Simplify right side
    1,011,782.40x = 804,596,141,083.99
  5. Step 5: Solve for x
    x = 804,596,141,083.99/1,011,782.40
  6. Step 6: Final answer
    x = 795,226.46

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Double scale
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1.5x scale

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.