Home / 1,036,702.05-1,555,053.08-438,338.85

Finding the Fourth Proportional to 1,036,702.05, 1,555,053.08 and 438,338.85

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Solution

The fourth proportional to 1,036,702.05, 1,555,053.08 and 438,338.85 is: 657,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,702.05 : 1,555,053.08 = 438,338.85 : x
  2. Step 2: Convert to fraction form
    1,036,702.05/1,555,053.08 = 438,338.85/x
  3. Step 3: Cross multiply
    1,036,702.05x = 1,555,053.08 × 438,338.85
  4. Step 4: Simplify right side
    1,036,702.05x = 681,640,178,776.16
  5. Step 5: Solve for x
    x = 681,640,178,776.16/1,036,702.05
  6. Step 6: Final answer
    x = 657,508.28

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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.