Home / 1,270,307.84-1,904,012.16-511,663.46

Finding the Fourth Proportional to 1,270,307.84, 1,904,012.16 and 511,663.46

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Solution

The fourth proportional to 1,270,307.84, 1,904,012.16 and 511,663.46 is: 766,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,307.84 : 1,904,012.16 = 511,663.46 : x
  2. Step 2: Convert to fraction form
    1,270,307.84/1,904,012.16 = 511,663.46/x
  3. Step 3: Cross multiply
    1,270,307.84x = 1,904,012.16 × 511,663.46
  4. Step 4: Simplify right side
    1,270,307.84x = 974,213,449,667.67
  5. Step 5: Solve for x
    x = 974,213,449,667.67/1,270,307.84
  6. Step 6: Final answer
    x = 766,911.31

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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.