Home / 1,182,686.48-1,774,003.80-509,215.76

Finding the Fourth Proportional to 1,182,686.48, 1,774,003.80 and 509,215.76

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Solution

The fourth proportional to 1,182,686.48, 1,774,003.80 and 509,215.76 is: 763,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,686.48 : 1,774,003.80 = 509,215.76 : x
  2. Step 2: Convert to fraction form
    1,182,686.48/1,774,003.80 = 509,215.76/x
  3. Step 3: Cross multiply
    1,182,686.48x = 1,774,003.80 × 509,215.76
  4. Step 4: Simplify right side
    1,182,686.48x = 903,350,693,259.89
  5. Step 5: Solve for x
    x = 903,350,693,259.89/1,182,686.48
  6. Step 6: Final answer
    x = 763,812.48

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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.