Home / 1,071,420.42-1,478,462.46-635,762.69

Finding the Fourth Proportional to 1,071,420.42, 1,478,462.46 and 635,762.69

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Solution

The fourth proportional to 1,071,420.42, 1,478,462.46 and 635,762.69 is: 877,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,420.42 : 1,478,462.46 = 635,762.69 : x
  2. Step 2: Convert to fraction form
    1,071,420.42/1,478,462.46 = 635,762.69/x
  3. Step 3: Cross multiply
    1,071,420.42x = 1,478,462.46 × 635,762.69
  4. Step 4: Simplify right side
    1,071,420.42x = 939,951,270,633.62
  5. Step 5: Solve for x
    x = 939,951,270,633.62/1,071,420.42
  6. Step 6: Final answer
    x = 877,294.53

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Double scale
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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.