Home / 1,087,221.67-1,501,040.18-700,702.91

Finding the Fourth Proportional to 1,087,221.67, 1,501,040.18 and 700,702.91

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Solution

The fourth proportional to 1,087,221.67, 1,501,040.18 and 700,702.91 is: 967,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,221.67 : 1,501,040.18 = 700,702.91 : x
  2. Step 2: Convert to fraction form
    1,087,221.67/1,501,040.18 = 700,702.91/x
  3. Step 3: Cross multiply
    1,087,221.67x = 1,501,040.18 × 700,702.91
  4. Step 4: Simplify right side
    1,087,221.67x = 1,051,783,211,144.21
  5. Step 5: Solve for x
    x = 1,051,783,211,144.21/1,087,221.67
  6. Step 6: Final answer
    x = 967,404.57

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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.