Home / 1,036,139.76-1,554,297.10-288,185.76

Finding the Fourth Proportional to 1,036,139.76, 1,554,297.10 and 288,185.76

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Solution

The fourth proportional to 1,036,139.76, 1,554,297.10 and 288,185.76 is: 432,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,139.76 : 1,554,297.10 = 288,185.76 : x
  2. Step 2: Convert to fraction form
    1,036,139.76/1,554,297.10 = 288,185.76/x
  3. Step 3: Cross multiply
    1,036,139.76x = 1,554,297.10 × 288,185.76
  4. Step 4: Simplify right side
    1,036,139.76x = 447,926,291,029.30
  5. Step 5: Solve for x
    x = 447,926,291,029.30/1,036,139.76
  6. Step 6: Final answer
    x = 432,302.97

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Double scale
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Similar ratio
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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.