Home / 1,017,648.20-1,526,693.70-307,657.70

Finding the Fourth Proportional to 1,017,648.20, 1,526,693.70 and 307,657.70

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Solution

The fourth proportional to 1,017,648.20, 1,526,693.70 and 307,657.70 is: 461,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,648.20 : 1,526,693.70 = 307,657.70 : x
  2. Step 2: Convert to fraction form
    1,017,648.20/1,526,693.70 = 307,657.70/x
  3. Step 3: Cross multiply
    1,017,648.20x = 1,526,693.70 × 307,657.70
  4. Step 4: Simplify right side
    1,017,648.20x = 469,699,072,346.49
  5. Step 5: Solve for x
    x = 469,699,072,346.49/1,017,648.20
  6. Step 6: Final answer
    x = 461,553.48

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Double scale
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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.