Home / 1,270,266.50-1,905,774.05-511,717.62

Finding the Fourth Proportional to 1,270,266.50, 1,905,774.05 and 511,717.62

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Solution

The fourth proportional to 1,270,266.50, 1,905,774.05 and 511,717.62 is: 767,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,266.50 : 1,905,774.05 = 511,717.62 : x
  2. Step 2: Convert to fraction form
    1,270,266.50/1,905,774.05 = 511,717.62/x
  3. Step 3: Cross multiply
    1,270,266.50x = 1,905,774.05 × 511,717.62
  4. Step 4: Simplify right side
    1,270,266.50x = 975,218,158,565.17
  5. Step 5: Solve for x
    x = 975,218,158,565.17/1,270,266.50
  6. Step 6: Final answer
    x = 767,727.22

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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.