Home / 702,121.40-1,051,626.90-577,705.40

Finding the Fourth Proportional to 702,121.40, 1,051,626.90 and 577,705.40

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Solution

The fourth proportional to 702,121.40, 1,051,626.90 and 577,705.40 is: 865,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,121.40 : 1,051,626.90 = 577,705.40 : x
  2. Step 2: Convert to fraction form
    702,121.40/1,051,626.90 = 577,705.40/x
  3. Step 3: Cross multiply
    702,121.40x = 1,051,626.90 × 577,705.40
  4. Step 4: Simplify right side
    702,121.40x = 607,530,538,915.26
  5. Step 5: Solve for x
    x = 607,530,538,915.26/702,121.40
  6. Step 6: Final answer
    x = 865,278.48

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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.