Home / 1,365,587.70-2,048,381.55-861,702.90

Finding the Fourth Proportional to 1,365,587.70, 2,048,381.55 and 861,702.90

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Solution

The fourth proportional to 1,365,587.70, 2,048,381.55 and 861,702.90 is: 1,292,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,587.70 : 2,048,381.55 = 861,702.90 : x
  2. Step 2: Convert to fraction form
    1,365,587.70/2,048,381.55 = 861,702.90/x
  3. Step 3: Cross multiply
    1,365,587.70x = 2,048,381.55 × 861,702.90
  4. Step 4: Simplify right side
    1,365,587.70x = 1,765,096,321,941.50
  5. Step 5: Solve for x
    x = 1,765,096,321,941.50/1,365,587.70
  6. Step 6: Final answer
    x = 1,292,554.35

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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.