Home / 1,028,952.82-1,543,429.83-429,587.23

Finding the Fourth Proportional to 1,028,952.82, 1,543,429.83 and 429,587.23

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Solution

The fourth proportional to 1,028,952.82, 1,543,429.83 and 429,587.23 is: 644,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,952.82 : 1,543,429.83 = 429,587.23 : x
  2. Step 2: Convert to fraction form
    1,028,952.82/1,543,429.83 = 429,587.23/x
  3. Step 3: Cross multiply
    1,028,952.82x = 1,543,429.83 × 429,587.23
  4. Step 4: Simplify right side
    1,028,952.82x = 663,037,745,369.07
  5. Step 5: Solve for x
    x = 663,037,745,369.07/1,028,952.82
  6. Step 6: Final answer
    x = 644,381.10

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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.