Home / 1,501,188.62-2,071,641.04-812,860.78

Finding the Fourth Proportional to 1,501,188.62, 2,071,641.04 and 812,860.78

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Solution

The fourth proportional to 1,501,188.62, 2,071,641.04 and 812,860.78 is: 1,121,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,188.62 : 2,071,641.04 = 812,860.78 : x
  2. Step 2: Convert to fraction form
    1,501,188.62/2,071,641.04 = 812,860.78/x
  3. Step 3: Cross multiply
    1,501,188.62x = 2,071,641.04 × 812,860.78
  4. Step 4: Simplify right side
    1,501,188.62x = 1,683,955,751,654.41
  5. Step 5: Solve for x
    x = 1,683,955,751,654.41/1,501,188.62
  6. Step 6: Final answer
    x = 1,121,748.28

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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.